how many dates are listed as "free"?
61
col : date | name | moving from | moving to | fee row 1 : 3 march 2009 | silvestre varela | estrela da amadora | porto | free row 2 : 8 may 2009 | kamani hill | wolfsburg | vitória de guimarães | free row 3 : 16 may 2009 | manuel josé | cluj | paços de ferreira | free row 4 : 17 may 2009 | jorge gonçalves | racing de santander | vitória de guimarães | loan row 5 : 22 may 2009 | ramires | cruzeiro | benfica | € 7,500,000 row 6 : 26 may 2009 | luis aguiar | braga | dynamo moscow | undisclosed fee row 7 : 29 may 2009 | peterson peçanha | thrasyvoulos | marítimo | free row 8 : 30 may 2009 | maicon | nacional | porto | € 2,000,000 row 9 : 4 june 2009 | álvaro pereira | cluj | porto | € 4,500,000 row 10 : 6 june 2009 | anselmo | estrela da amadora | nacional | free row 11 : 9 june 2009 | josé shaffer | racing | benfica | € 1,900,000 row 12 : 11 june 2009 | nuno piloto | académica de coimbra | iraklis | free row 13 : 15 june 2009 | gustavo lazzaretti | atlético paranaense | vitória de guimarães | loan row 14 : 18 june 2009 | angelo peña | estudiantes de mérida | braga | undisclosed fee row 15 : 19 june 2009 | nenê | nacional | cagliari | € 4,500,000 row 16 : 23 june 2009 | fernando alexandre | estrela da amadora | braga | free row 17 : 25 june 2009 | alex | wolfsburg | vitória de guimarães | free row 18 : 26 june 2009 | chico silva | paços de ferreira | oliveirense | free row 19 : 26 june 2009 | brayan angulo | leixões | deportivo la coruña | € 100,000 row 20 : 29 june 2009 | javier saviola | real madrid | benfica | € 5,000,000 row 21 : 29 june 2009 | miguel lopes | rio ave | porto | € 600,000 row 22 : 1 july 2009 | diogo valente | porto | braga | free row 23 : 1 july 2009 | matías fernández | villarreal | sporting cp | € 3,635,000 row 24 : 4 july 2009 | jean paul yontcha | otopeni | belenenses | free row 25 : 4 july 2009 | kevin amuneke | politehnica timişoara | porto | free row 26 : 4 july 2009 | stélvio | braga | união de leiria | loan row 27 : 6 july 2009 | kiko | paços de ferreira | gil vicente | loan row 28 : 7 july 2009 | luiz carlos | união de leiria | south china | loan row 29 : 8 july 2009 | cristian trombetta | nueva chicago | leixões | free row 30 : 8 july 2009 | joão pedro | união de leiria | oliveirense | free row 31 : 12 july 2009 | alan | comercial | vitória de setúbal | free row 32 : 12 july 2009 | romeu ribeiro | benfica | trofense | loan row 33 : 13 july 2009 | fernando ávalos | belenenses | nea salamis | free row 34 : 13 july 2009 | joão fajardo | vitória de guimarães | panthrakikos | free row 35 : 14 july 2009 | vítor vinha | académica de coimbra | nea salamis | loan row 36 : 14 july 2009 | daniel candeias | porto | recreativo huelva | loan row 37 : 14 july 2009 | saulo | belenenses | celta vigo | free
how many dates are listed as "free"?
Date Name Moving from Moving to Fee
3 March 2009 Silvestre Varela Estrela da Amadora Porto Free
14 April 2009 Mario Rondón Pontassolense Nacional Free
18 April 2009 Patric São Caetano Benfica Undisclosed Fee
23 April 2009 Orlando Sá Braga Porto Undisclosed Fee
8 May 2009 Kamani Hill Wolfsburg Vitória de Guimarães Free
16 May 2009 Manuel José Cluj Paços de Ferreira Free
17 May 2009 Jorge Gonçalves Racing de Santander Vitória de Guimarães Loan
22 May 2009 Ramires Cruzeiro Benfica € 7,500,000
26 May 2009 Luis Aguiar Braga Dynamo Moscow Undisclosed Fee
26 May 2009 Jonathan Bru AEP Paphos Académica de Coimbra Free
29 May 2009 Peterson Peçanha Thrasyvoulos Marítimo Free
30 May 2009 Maicon Nacional Porto € 2,000,000
31 May 2009 David Mendieta 12 de Octubre Vitória de Guimarães Undisclosed Fee
1 June 2009 Boris Peškovič Académica de Coimbra Cluj Free
4 June 2009 Álvaro Pereira Cluj Porto € 4,500,000
6 June 2009 Anselmo Estrela da Amadora Nacional Free
9 June 2009 José Shaffer Racing Benfica € 1,900,000
11 June 2009 Nuno Piloto Académica de Coimbra Iraklis Free
11 June 2009 Paulo Jorge Braga APOEL Undisclosed Fee
15 June 2009 Gustavo Lazzaretti Atlético Paranaense Vitória de Guimarães Loan
16 June 2009 Janício Vitória de Setúbal Anorthosis Free
17 June 2009 Jorge Gonçalves Racing de Santander Vitória de Guimarães Loan
17 June 2009 Beto Leixões Porto Undisclosed Fee
18 June 2009 Angelo Peña Estudiantes de Mérida Braga Undisclosed Fee
19 June 2009 Nenê Nacional Cagliari € 4,500,000
21 June 2009 Filipe Mendes Estrela da Amadora Paços de Ferreira Free
23 June 2009 Kostas Katsouranis Benfica Panathinaikos € 2,500,000
23 June 2009 Grégory Vitória de Guimarães Sporting Gijón Free
23 June 2009 João Tomás Boavista Rio Ave Free
23 June 2009 Fernando Alexandre Estrela da Amadora Braga Free
25 June 2009 Alex Wolfsburg Vitória de Guimarães Free
25 June 2009 Ney Santos Estrela da Amadora Braga Free
26 June 2009 Chico Silva Paços de Ferreira Oliveirense Free
26 June 2009 Brayan Angulo Leixões Deportivo La Coruña € 100,000
29 June 2009 Javier Saviola Real Madrid Benfica € 5,000,000
29 June 2009 Miguel Lopes Rio Ave Porto € 600,000
30 June 2009 Lucho González Porto Marseille € 18,000,000
1 July 2009 Nejc Pečnik Celje Nacional Undisclosed Fee
1 July 2009 Diogo Valente Porto Braga Free
1 July 2009 Matías Fernández Villarreal Sporting CP € 3,635,000
2 July 2009 Rodrigo Possebon Manchester United Braga Loan
2 July 2009 Tarik Sektioui Porto Ajman Club Free
3 July 2009 Paulo Machado Porto Toulouse € 3,500,000
3 July 2009 Emídio Rafael Portimonense Académica de Coimbra Free
3 July 2009 Bruno Amaro Nacional Académica de Coimbra Loan
4 July 2009 Jean Paul Yontcha Otopeni Belenenses Free
4 July 2009 Kevin Amuneke Politehnica Timişoara Porto Free
4 July 2009 Stélvio Braga União de Leiria Loan
4 July 2009 Diego Gaúcho Gil Vicente União de Leiria Free
6 July 2009 Kiko Paços de Ferreira Gil Vicente Loan
6 July 2009 Fernando Belluschi Olympiacos Porto € 5,000,000
7 July 2009 Luiz Carlos União de Leiria South China Loan
7 July 2009 Ladji Keita AEP Paphos Vitória de Setúbal Free
7 July 2009 Lisandro López Porto Lyon € 24,000,000
8 July 2009 Diogo Viana Porto VVV-Venlo Loan
8 July 2009 Cristian Trombetta Nueva Chicago Leixões Free
8 July 2009 Cauê Santo André Leixões Free
8 July 2009 João Pedro União de Leiria Oliveirense Free
10 July 2009 Filipe da Costa Levski Sofia Nacional Free
10 July 2009 Paulão Porto Rio Ave Free
10 July 2009 Saulo Belenenses Celta Vigo Free
11 July 2009 Vukašin Dević Red Star Belgrade Belenenses Free
11 July 2009 Vieirinha Porto PAOK € 1,000,000
12 July 2009 Alan Comercial Vitória de Setúbal Free
12 July 2009 Romeu Ribeiro Benfica Trofense Loan
13 July 2009 Fernando Ávalos Belenenses Nea Salamis Free
13 July 2009 João Fajardo Vitória de Guimarães Panthrakikos Free
14 July 2009 Vítor Vinha Académica de Coimbra Nea Salamis Loan
14 July 2009 Daniel Candeias Porto Recreativo Huelva Loan
14 July 2009 Ibson Porto Spartak Moscow Undisclosed Fee
14 July 2009 Tininho Belenenses Steaua București Free
14 July 2009 Saulo Belenenses Celta Vigo Free
14 July 2013 Pedro Celestino Sporting CP Belenenses Free
15 July 2009 Radamel Falcao River Plate Porto € 3,930,000
15 July 2009 Diego Valeri Lanús Porto Undisclosed Fee
17 July 2009 Hélder Barbosa Porto Vitória de Setúbal Loan
17 July 2009 Carlos Carneiro Paços de Ferreira Vizela Free
18 July 2009 Wanderley Cruzeiro Marítimo € 750,000
18 July 2009 Aldo Cruzeiro Marítimo Loan
18 July 2009 Ruca Porto Marítimo Free
18 July 2009 Bruno Grassi Marítimo Tourizense Loan
18 July 2009 Ruben Lima Benfica Vitória de Setúbal Loan
18 July 2009 Leandro Lima Porto Cruzeiro Loan
18 July 2009 Aly Cissokho Porto Lyon € 15,000,000
19 July 2009 Gonçalo Nacional Santa Clara Loan
19 July 2009 Roberto Tucker Quilmes Leixões Free
24 July 2009 Alberto Rio Branco União de Leiria Free
24 July 2009 Hammes Rio Branco União de Leiria Free
20 July 2009 Maykon Belenenses Paços de Ferreira Free
20 July 2009 Pelé Porto Real Valladolid Loan
20 July 2009 Barroca Tourizense Académica de Coimbra Free
21 July 2009 Javi García Real Madrid Benfica € 7,000,000
21 July 2009 Sebastián Prediger Colón Porto € 2,000,000
21 July 2009 Weldon Sport Benfica € 276,000
22 July 2009 Przemysław Kaźmierczak Porto Vitória de Setúbal Free
23 July 2009 Miguel Rosa Benfica Carregado Loan
23 July 2009 Ivan Santos Benfica Carregado Loan
23 July 2009 Abdou Guirassy Ribeirão Nacional Free
23 July 2009 Felipe Caicedo Manchester City Sporting CP Loan
24 July 2009 Vítor Castanheira Braga Chaves Free
24 July 2009 Barge Estoril Belenenses Free
24 July 2009 Maciel União de Leiria Trofense Loan
27 July 2009 Milan Stepanov Porto Málaga Loan
29 July 2009 Miguel Fidalgo Nacional Académica de Coimbra Loan
31 July 2009 Júlio César Belenenses Benfica € 500,000
8 August 2009 Igor Pita Nacional Beira-Mar Loan
12 August 2009 Hugo Santos Naval Operário Free
17 August 2009 Kheireddine Zarabi Belenenses Vitória de Setúbal Free
17 August 2009 Nelson Benítez Porto Leixões Loan
21 August 2009 Beto Recreativo Huelva Belenenses Free
24 August 2009 Adriano Porto Braga Free
26 August 2009 Amaury Bischoff Arsenal Académica de Coimbra Free
26 August 2009 Mehdi Kerrouche Gazélec Ajaccio Naval Free
28 August 2009 Felipe Menezes Goiás Benfica Undisclosed Fee
29 August 2009 Nuno Coelho Porto Académica de Coimbra Free
29 August 2009 Bruno Vale Porto Belenenses Loan
29 August 2009 Miguel Ángel Angulo Valencia Sporting CP Free
29 August 2009 Tiago Luís Santos União de Leiria Loan
29 August 2009 Wênio Vitória de Guimarães Leixões Free
29 August 2009 Jorginho Braga Gaziantepspor Free
30 August 2009 Roland Linz Braga Gaziantepspor Undisclosed Fee
30 August 2009 Seydou Koné Botoșani União de Leiria Free
30 August 2009 El Hadji Diouf AEK Athens Vitória de Setúbal Loan
31 August 2009 Milan Purović Sporting CP Videoton Loan
31 August 2009 Nuno Frechaut Braga Metz Free
31 August 2009 Ivo Pinto Porto Vitória de Setúbal Loan
31 August 2009 Patric Benfica Cruzeiro Loan
31 August 2009 Tiago Pinto Sporting CP Braga Free
61