{"pre_text": ["supplementary information on oil and gas producing activities ( unaudited ) c o n t i n u e d summary of changes in standardized measure of discounted future net cash flows relating to proved oil and gas reserves ( in millions ) 2007 2006 2005 sales and transfers of oil and gas produced , net of production , transportation and administrative costs $ ( 4887 ) $ ( 5312 ) $ ( 3754 ) net changes in prices and production , transportation and administrative costs related to future production 12845 ( 1342 ) 6648 ."], "post_text": ["."], "table": [["( in millions )", "2007", "2006", "2005"], ["sales and transfers of oil and gas produced net of production transportation and administrative costs", "$ -4887 ( 4887 )", "$ -5312 ( 5312 )", "$ -3754 ( 3754 )"], ["net changes in prices and production transportation and administrative costs related to future production", "12845", "-1342 ( 1342 )", "6648"], ["extensions discoveries and improved recovery less related costs", "1816", "1290", "700"], ["development costs incurred during the period", "1654", "1251", "1030"], ["changes in estimated future development costs", "-1727 ( 1727 )", "-527 ( 527 )", "-552 ( 552 )"], ["revisions of previous quantity estimates", "290", "1319", "820"], ["net changes in purchases and sales of minerals in place", "23", "30", "4557"], ["accretion of discount", "1726", "1882", "1124"], ["net change in income taxes", "-6751 ( 6751 )", "-660 ( 660 )", "-6694 ( 6694 )"], ["timing and other", "-12 ( 12 )", "-14 ( 14 )", "307"], ["net change for the year", "4977", "-2083 ( 2083 )", "4186"], ["beginning of year", "8518", "10601", "6415"], ["end of year", "$ 13495", "$ 8518", "$ 10601"], ["net change for the year from discontinued operations", "$ 2013", "$ -216 ( 216 )", "$ 162"]], "table_ori": [["<i>(In millions)</i>", "2007", "2006", "2005"], ["Sales and transfers of oil and gas produced, net of production, transportation and administrative costs", "$(4,887)", "$(5,312)", "$(3,754)"], ["Net changes in prices and production, transportation and administrative costs related to future production", "12,845", "(1,342)", "6,648"], ["Extensions, discoveries and improved recovery, less related costs", "1,816", "1,290", "700"], ["Development costs incurred during the period", "1,654", "1,251", "1,030"], ["Changes in estimated future development costs", "(1,727)", "(527)", "(552)"], ["Revisions of previous quantity estimates", "290", "1,319", "820"], ["Net changes in purchases and sales of minerals in place", "23", "30", "4,557"], ["Accretion of discount", "1,726", "1,882", "1,124"], ["Net change in income taxes", "(6,751)", "(660)", "(6,694)"], ["Timing and other", "(12)", "(14)", "307"], ["Net change for the year", "4,977", "(2,083)", "4,186"], ["Beginning of year", "8,518", "10,601", "6,415"], ["End of year", "$13,495", "$8,518", "$10,601"], ["Net change for the year from discontinued operations", "$–", "$(216)", "$162"]]}

Question: 5 development costs incurred during the period 1654 1251 1030
Evidence:
table_4: ( in millions ) the development costs incurred during the period of 2007 is 1654 ; the development costs incurred during the period of 2006 is 1251 ; the development costs incurred during the period of 2005 is 1030 ;
Program: table_average(development costs incurred during the period, none)
Answer:
str_answer: 1311.7
exe_answer: 1311.66667