how many total municipalities are there in camarines sur?
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col : city/municipality | city/municipality | no. of\nbarangays | area\n(hectares) | population\n(2010) | income class\n(2010) | mayor\n(2010–2013) row 1 :  | baao | 30 | 10,663 | 54,971 | 3rd class | melquiades i. gaite row 2 :  | balatan | 17 | 9,309 | 28,699 | 4th class | ernesto a. bagasbas row 3 :  | bombon | 8 | 2,873 | 15,437 | 5th class | ma. luisa dc. angeles row 4 :  | buhi | 38 | 24,665 | 73,809 | 1st class | rey p. lacoste row 5 :  | bula | 33 | 16,764 | 68,011 | 2nd class | benjamin s. decena row 6 :  | cabusao | 9 | 4,680 | 18,049 | 5th class | nebb p. santiago row 7 :  | calabanga | 48 | 16,380 | 78,119 | 1st class | eduardo severo row 8 :  | caramoan | 49 | 27,600 | 44,945 | 2nd class | constantino h. cordial, jr. row 9 :  | del gallego | 32 | 20,831 | 23,064 | 4th class | lydia b. abarientos row 10 :  | gainza | 8 | 1,475 | 10,345 | 5th class | william angeles abilay row 11 :  | garchitorena | 23 | 24,380 | 25,204 | 4th class | solon o.demetriou jr. row 12 :  | iriga city | 36 | 13,735 | 105,919 | 4th class | madeleine a. gazmen row 13 :  | lagonoy | 38 | 37,790 | 51,814 | 2nd class | delfin r. pilapil jr. row 14 :  | libmanan | 75 | 34,282 | 100,002 | 1st class | marilyn a. jimenez row 15 :  | lupi | 38 | 19,912 | 30,118 | 3rd class | raul m. matamorosa row 16 :  | magarao | 15 | 4,497 | 24,274 | 4th class | salvador a. senar jr. row 17 :  | milaor | 20 | 3,364 | 28,474 | 4th class | rogelio a. flores row 18 :  | minalabac | 25 | 12,610 | 48,162 | 3rd class | leovegildo d. basmayor jr. row 19 :  | nabua | 42 | 9,620 | 80,111 | 1st class | delia c. simbulan row 20 : 25px | naga city | 27 | 8,448 | 174,931 | 2nd class | john g. bongat row 21 :  | ocampo | 25 | 11,833 | 43,523 | 3rd class | fidel c. carido row 22 :  | pasacao | 19 | 14,954 | 45,946 | 3rd class | asuncion v. arsenio row 23 :  | pili | 26 | 12,625 | 82,307 | 1st class | tomas p. bongalonta, jr. row 24 :  | presentacion | 18 | 14,380 | 20,023 | 4th class | joey a. deleña row 25 :  | sagñay | 19 | 15,476 | 31,314 | 4th class | evelyn b. fuentebella row 26 :  | san jose | 29 | 4,307 | 38,523 | 4th class | antonio b. chavez row 27 :  | sipocot | 46 | 24,343 | 64,042 | 1st class | rogenor r. astor row 28 :  | siruma | 22 | 14,127 | 17,050 | 4th class | sandy s. ondis sr. row 29 :  | tigaon | 23 | 7,235 | 48,611 | 3rd class | arnulf bryan b. fuentebella
how many total municipalities are there in camarines sur?
City/Municipality City/Municipality No. of\nBarangays Area\n(hectares) Population\n(2010) Income Class\n(2010) Mayor\n(2010–2013)
Baao 30 10,663 54,971 3rd class Melquiades I. Gaite
Balatan 17 9,309 28,699 4th class Ernesto A. Bagasbas
Bato 33 10,712 48,306 3rd class Jeanette R. Bernaldez
Bombon 8 2,873 15,437 5th class Ma. Luisa DC. Angeles
Buhi 38 24,665 73,809 1st class Rey P. Lacoste
Bula 33 16,764 68,011 2nd class Benjamin S. Decena
Cabusao 9 4,680 18,049 5th class Nebb P. Santiago
Calabanga 48 16,380 78,119 1st class Eduardo Severo
Camaligan 13 468 22,254 5th class Marilou Marquez-Hirose
Canaman 24 4,327 32,390 4th class Emmanuel S. Requejo
Caramoan 49 27,600 44,945 2nd class Constantino H. Cordial, Jr.
Del Gallego 32 20,831 23,064 4th class Lydia B. Abarientos
Gainza 8 1,475 10,345 5th class William Angeles Abilay
Garchitorena 23 24,380 25,204 4th class Solon O.Demetriou Jr.
Goa 34 20,618 58,503 2nd class Antero S. Lim
Iriga City 36 13,735 105,919 4th class Madeleine A. Gazmen
Lagonoy 38 37,790 51,814 2nd class Delfin R. Pilapil Jr.
Libmanan 75 34,282 100,002 1st class Marilyn A. Jimenez
Lupi 38 19,912 30,118 3rd class Raul M. Matamorosa
Magarao 15 4,497 24,274 4th class Salvador A. Senar Jr.
Milaor 20 3,364 28,474 4th class Rogelio A. Flores
Minalabac 25 12,610 48,162 3rd class Leovegildo D. Basmayor Jr.
Nabua 42 9,620 80,111 1st class Delia C. Simbulan
25px Naga City 27 8,448 174,931 2nd class John G. Bongat
Ocampo 25 11,833 43,523 3rd class Fidel C. Carido
Pamplona 17 8,060 34,471 4th class Gimeno A. Imperial
Pasacao 19 14,954 45,946 3rd class Asuncion V. Arsenio
Pili 26 12,625 82,307 1st class Tomas P. Bongalonta, Jr.
Presentacion 18 14,380 20,023 4th class Joey A. Deleña
Ragay 38 40,022 54,934 1st class Ricardo B. Aquino
Sagñay 19 15,476 31,314 4th class Evelyn B. Fuentebella
San Fernando 22 7,176 33,281 4th class Eugenio "jun" Lagasca, Jr.
San Jose 29 4,307 38,523 4th class Antonio B. Chavez
Sipocot 46 24,343 64,042 1st class Rogenor R. Astor
Siruma 22 14,127 17,050 4th class Sandy S. Ondis Sr.
Tigaon 23 7,235 48,611 3rd class Arnulf Bryan B. Fuentebella
Tinambac 44 35,162 62,435 1st class Ruel T. Velarde
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