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 .

<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

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 .

Question: Analyse this data from a financial earnings document. what percentage of total freight revenues were energy in 2008?
Choices:
0.23399
0.22257
17118.22257
222.57273
4.49291
Correct choice index: 1