what was the total of shares ( millions ) issued to employees in the 3 year period?
Important information:
table_1: the balance january 1 2009 of issued is 1334 ; the balance january 1 2009 of in treasury is -140 ( 140 ) ; the balance january 1 2009 of shares outstanding is 1194 ;
table_4: the shares issued under employee stock purchase plan of issued is 2013 ; the shares issued under employee stock purchase plan of in treasury is 4 ; the shares issued under employee stock purchase plan of shares outstanding is 4 ;
table_8: the shares sold to optionees less shares exchanged of issued is 2013 ; the shares sold to optionees less shares exchanged of in treasury is 6 ; the shares sold to optionees less shares exchanged of shares outstanding is 6 ;
table_9: the shares issued under employee stock purchase plan of issued is 2013 ; the shares issued under employee stock purchase plan of in treasury is 3 ; the shares issued under employee stock purchase plan of shares outstanding is 3 ;
table_13: the shares sold to optionees less shares exchanged of issued is 2013 ; the shares sold to optionees less shares exchanged of in treasury is 6 ; the shares sold to optionees less shares exchanged of shares outstanding is 6 ;
table_15: the shares issued under employee stock purchase plan of issued is 2013 ; the shares issued under employee stock purchase plan of in treasury is 3 ; the shares issued under employee stock purchase plan of shares outstanding is 3 ;
Reasoning Steps:
Step: add1-1(4, 4) = 8
Step: add1-2(#0, 6) = 14
Step: add1-3(#1, 3) = 17
Step: add1-4(#2, 6) = 23
Step: add1-5(#3, 3) = 26
Program:
add(4, 4), add(#0, 6), add(#1, 3), add(#2, 6), add(#3, 3)
Program (Nested):
add(add(add(add(add(4, 4), 6), 3), 6), 3)

Please answer the following financial question based on the context provided. Make sure to give the answer in raw number, not in percentage and without any units. If the question asks for percentage the value should be less than 1
Context:
schlumberger limited and subsidiaries shares of common stock ( stated in millions ) issued in treasury shares outstanding .
Table
                                                 | issued | in treasury  | shares outstanding
balance january 1 2009                           | 1334   | -140 ( 140 ) | 1194              
shares sold to optionees less shares exchanged   | 2013   | 4            | 4                 
vesting of restricted stock                      | 2013   | 1            | 1                 
shares issued under employee stock purchase plan | 2013   | 4            | 4                 
stock repurchase program                         | 2013   | -8 ( 8 )     | -8 ( 8 )          
balance december 31 2009                         | 1334   | -139 ( 139 ) | 1195              
acquisition of smith international inc .         | 100    | 76           | 176               
shares sold to optionees less shares exchanged   | 2013   | 6            | 6                 
shares issued under employee stock purchase plan | 2013   | 3            | 3                 
stock repurchase program                         | 2013   | -27 ( 27 )   | -27 ( 27 )        
issued on conversions of debentures              | 2013   | 8            | 8                 
balance december 31 2010                         | 1434   | -73 ( 73 )   | 1361              
shares sold to optionees less shares exchanged   | 2013   | 6            | 6                 
vesting of restricted stock                      | 2013   | 1            | 1                 
shares issued under employee stock purchase plan | 2013   | 3            | 3                 
stock repurchase program                         | 2013   | -37 ( 37 )   | -37 ( 37 )        
balance december 31 2011                         | 1434   | -100 ( 100 ) | 1334              
see the notes to consolidated financial statements .
Question: 
what was the total of shares ( millions ) issued to employees in the 3 year period?
Important information:
table_1: the balance january 1 2009 of issued is 1334 ; the balance january 1 2009 of in treasury is -140 ( 140 ) ; the balance january 1 2009 of shares outstanding is 1194 ;
table_4: the shares issued under employee stock purchase plan of issued is 2013 ; the shares issued under employee stock purchase plan of in treasury is 4 ; the shares issued under employee stock purchase plan of shares outstanding is 4 ;
table_8: the shares sold to optionees less shares exchanged of issued is 2013 ; the shares sold to optionees less shares exchanged of in treasury is 6 ; the shares sold to optionees less shares exchanged of shares outstanding is 6 ;
table_9: the shares issued under employee stock purchase plan of issued is 2013 ; the shares issued under employee stock purchase plan of in treasury is 3 ; the shares issued under employee stock purchase plan of shares outstanding is 3 ;
table_13: the shares sold to optionees less shares exchanged of issued is 2013 ; the shares sold to optionees less shares exchanged of in treasury is 6 ; the shares sold to optionees less shares exchanged of shares outstanding is 6 ;
table_15: the shares issued under employee stock purchase plan of issued is 2013 ; the shares issued under employee stock purchase plan of in treasury is 3 ; the shares issued under employee stock purchase plan of shares outstanding is 3 ;
Reasoning Steps:
Step: add1-1(4, 4) = 8
Step: add1-2(#0, 6) = 14
Step: add1-3(#1, 3) = 17
Step: add1-4(#2, 6) = 23
Step: add1-5(#3, 3) = 26
Program:
add(4, 4), add(#0, 6), add(#1, 3), add(#2, 6), add(#3, 3)
Program (Nested):
add(add(add(add(add(4, 4), 6), 3), 6), 3)
