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 operations and segmentation 2013 we are a class i railroad that operates in the united states . we have 32094 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 2009 2008 2007 .
post_text: although our revenues are principally derived from customers domiciled in the united states , the ultimate points of origination or destination for some products transported are outside the united states . basis of presentation 2013 the consolidated financial statements are presented in accordance with accounting principles generally accepted in the united states of america ( gaap ) as codified in the financial accounting standards board ( fasb ) accounting standards codification ( asc ) . subsequent events evaluation 2013 we evaluated the effects of all subsequent events through february 5 , 2010 , the date of this report , which is concurrent with the date we file this report with the u.s . securities and exchange commission ( sec ) . 2 . significant accounting policies change in accounting principle 2013 we have historically accounted for rail grinding costs as a capital asset . beginning in the first quarter of 2010 , we will change our accounting policy for rail grinding costs .
table: <i>Millions of Dollars</i> <i>2009</i> <i>2008</i> <i>2007</i>
table: Agricultural $2,666 $3,174 $2,605
table: Automotive 854 1,344 1,458
table: Chemicals 2,102 2,494 2,287
table: Energy 3,118 3,810 3,134
table: Industrial Products 2,147 3,273 3,077
table: Intermodal 2,486 3,023 2,925
table: Total freight revenues $13,373 $17,118 $15,486
table: Other revenues 770 852 797
table: Total operating revenues $14,143 $17,970 $16,283
question: Analyse this data from a financial earnings document. what percent of total freight revenues was the chemicals group in 2009?