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: <i>Millions of Dollars</i> <i>2008</i> <i>2007</i> <i>2006</i>
table: Agricultural $3,174 $2,605 $2,385
table: Automotive 1,344 1,458 1,427
table: Chemicals 2,494 2,287 2,084
table: Energy 3,810 3,134 2,949
table: Industrial Products 3,273 3,077 3,135
table: Intermodal 3,023 2,925 2,811
table: Total freight revenues $17,118 $15,486 $14,791
table: Other revenues 852 797 787
table: Total operating revenues $17,970 $16,283 $15,578
question: Analyse this data from a financial earnings document. what percentage of total freight revenues were energy in 2008?