{"pre_text": ["notes to the consolidated financial statements union pacific corporation and subsidiary companies for purposes of this report , unless the context otherwise requires , all references herein to the 201ccorporation 201d , 201cupc 201d , 201cwe 201d , 201cus 201d , and 201cour 201d mean union pacific corporation and its subsidiaries , including union pacific railroad company , which will be separately referred to herein as 201cuprr 201d or the 201crailroad 201d .", "1 .", "nature of operations and significant accounting policies operations and segmentation 2013 we are a class i railroad that operates in the united states .", "we have 32012 route miles , linking pacific coast and gulf coast ports with the midwest and eastern united states gateways and providing several corridors to key mexican gateways .", "we serve the western two- thirds of the country and maintain coordinated schedules with other rail carriers for the handling of freight to and from the atlantic coast , the pacific coast , the southeast , the southwest , canada , and mexico .", "export and import traffic is moved through gulf coast and pacific coast ports and across the mexican and canadian borders .", "the railroad , along with its subsidiaries and rail affiliates , is our one reportable operating segment .", "although revenues are analyzed by commodity group , we analyze the net financial results of the railroad as one segment due to the integrated nature of our rail network .", "the following table provides revenue by commodity group : millions of dollars 2008 2007 2006 ."], "post_text": ["basis of presentation 2013 certain prior year amounts have been reclassified to conform to the current period financial statement presentation .", "the reclassifications include reporting freight revenues instead of commodity revenues .", "the amounts reclassified from freight revenues to other revenues totaled $ 30 million and $ 71 million for the years ended december 31 , 2007 , and december 31 , 2006 , respectively .", "in addition , we modified our operating expense categories to report fuel used in railroad operations as a stand-alone category , to combine purchased services and materials into one line , and to reclassify certain other expenses among operating expense categories .", "these reclassifications had no impact on previously reported operating revenues , total operating expenses , operating income or net income .", "significant accounting policies principles of consolidation 2013 the consolidated financial statements include the accounts of union pacific corporation and all of its subsidiaries .", "investments in affiliated companies ( 20% ( 20 % ) to 50% ( 50 % ) owned ) are accounted for using the equity method of accounting .", "all significant intercompany transactions are eliminated .", "the corporation evaluates its less than majority-owned investments for consolidation ."], "table": [["millions of dollars", "2008", "2007", "2006"], ["agricultural", "$ 3174", "$ 2605", "$ 2385"], ["automotive", "1344", "1458", "1427"], ["chemicals", "2494", "2287", "2084"], ["energy", "3810", "3134", "2949"], ["industrial products", "3273", "3077", "3135"], ["intermodal", "3023", "2925", "2811"], ["total freight revenues", "$ 17118", "$ 15486", "$ 14791"], ["other revenues", "852", "797", "787"], ["total operating revenues", "$ 17970", "$ 16283", "$ 15578"]], "table_ori": [["<i>Millions of Dollars</i>", "<i>2008</i>", "<i>2007</i>", "<i>2006</i>"], ["Agricultural", "$3,174", "$2,605", "$2,385"], ["Automotive", "1,344", "1,458", "1,427"], ["Chemicals", "2,494", "2,287", "2,084"], ["Energy", "3,810", "3,134", "2,949"], ["Industrial Products", "3,273", "3,077", "3,135"], ["Intermodal", "3,023", "2,925", "2,811"], ["Total freight revenues", "$17,118", "$15,486", "$14,791"], ["Other revenues", "852", "797", "787"], ["Total operating revenues", "$17,970", "$16,283", "$15,578"]]}

Question: what percentage of total freight revenues were energy in 2008?
Evidence:
table_4: millions of dollars the energy of 2008 is 3810 ; the energy of 2007 is 3134 ; the energy of 2006 is 2949 ;
table_7: millions of dollars the total freight revenues of 2008 is $ 17118 ; the total freight revenues of 2007 is $ 15486 ; the total freight revenues of 2006 is $ 14791 ;
Program: divide(3810, 17118)
Answer:
str_answer: 22%
exe_answer: 0.22257