{"pre_text": ["competitive supply aes 2019s competitive supply line of business consists of generating facilities that sell electricity directly to wholesale customers in competitive markets .", "additionally , as compared to the contract generation segment discussed above , these generating facilities generally sell less than 75% ( 75 % ) of their output pursuant to long-term contracts with pre-determined pricing provisions and/or sell into power pools , under shorter-term contracts or into daily spot markets .", "the prices paid for electricity under short-term contracts and in the spot markets are unpredictable and can be , and from time to time have been , volatile .", "the results of operations of aes 2019s competitive supply business are also more sensitive to the impact of market fluctuations in the price of electricity , natural gas , coal and other raw materials .", "in the united kingdom , txu europe entered administration in november 2002 and is no longer performing under its contracts with drax and barry .", "as described in the footnotes and in other sections of the discussion and analysis of financial condition and results of operations , txu europe 2019s failure to perform under its contracts has had a material adverse effect on the results of operations of these businesses .", "two aes competitive supply businesses , aes wolf hollow , l.p .", "and granite ridge have fuel supply agreements with el paso merchant energy l.p .", "an affiliate of el paso corp. , which has encountered financial difficulties .", "the company does not believe the financial difficulties of el paso corp .", "will have a material adverse effect on el paso merchant energy l.p . 2019s performance under the supply agreement ; however , there can be no assurance that a further deterioration in el paso corp 2019s financial condition will not have a material adverse effect on the ability of el paso merchant energy l.p .", "to perform its obligations .", "while el paso corp 2019s financial condition may not have a material adverse effect on el paso merchant energy , l.p .", "at this time , it could lead to a default under the aes wolf hollow , l.p . 2019s fuel supply agreement , in which case aes wolf hollow , l.p . 2019s lenders may seek to declare a default under its credit agreements .", "aes wolf hollow , l.p .", "is working in concert with its lenders to explore options to avoid such a default .", "the revenues from our facilities that distribute electricity to end-use customers are generally subject to regulation .", "these businesses are generally required to obtain third party approval or confirmation of rate increases before they can be passed on to the customers through tariffs .", "these businesses comprise the large utilities and growth distribution segments of the company .", "revenues from contract generation and competitive supply are not regulated .", "the distribution of revenues between the segments for the years ended december 31 , 2002 , 2001 and 2000 is as follows: ."], "post_text": ["development costs certain subsidiaries and affiliates of the company ( domestic and non-u.s. ) are in various stages of developing and constructing greenfield power plants , some but not all of which have signed long-term contracts or made similar arrangements for the sale of electricity .", "successful completion depends upon overcoming substantial risks , including , but not limited to , risks relating to failures of siting , financing , construction , permitting , governmental approvals or the potential for termination of the power sales contract as a result of a failure to meet certain milestones .", "as of december 31 , 2002 , capitalized costs for projects under development and in early stage construction were approximately $ 15 million and capitalized costs for projects under construction were approximately $ 3.2 billion .", "the company believes ."], "table": [["", "2002", "2001", "2000"], ["large utilities", "36% ( 36 % )", "21% ( 21 % )", "22% ( 22 % )"], ["growth distribution", "14% ( 14 % )", "21% ( 21 % )", "21% ( 21 % )"], ["contract generation", "29% ( 29 % )", "32% ( 32 % )", "27% ( 27 % )"], ["competitive supply", "21% ( 21 % )", "26% ( 26 % )", "30% ( 30 % )"]], "table_ori": [["", "2002", "2001", "2000"], ["Large utilities", "36%", "21%", "22%"], ["Growth distribution", "14%", "21%", "21%"], ["Contract generation", "29%", "32%", "27%"], ["Competitive supply", "21%", "26%", "30%"]]}

Question: what was the change in the large utilities percentage of revenues from 2001 to 2002?
Evidence:
table_1: the large utilities of 2002 is 36% ( 36 % ) ; the large utilities of 2001 is 21% ( 21 % ) ; the large utilities of 2000 is 22% ( 22 % ) ;
Program: subtract(36%, 21%)
Answer:
str_answer: 17%
exe_answer: 0.15