using a three year averageintermodal was what percent of total revenue?
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 u.s . our network includes 31898 route miles , linking pacific coast and gulf coast ports with the midwest and eastern u.s . gateways and providing several corridors to key mexican gateways . we own 26027 miles and operate on the remainder pursuant to trackage rights or leases . 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 revenue is 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 freight revenue by commodity group : millions 2011 2010 2009 .

| <i>Millions</i> | <i>2011</i> | <i>2010</i> | <i>2009</i> |
| :--- | :--- | :--- | :--- |
| Agricultural | $3,324 | $3,018 | $2,666 |
| Automotive | 1,510 | 1,271 | 854 |
| Chemicals | 2,815 | 2,425 | 2,102 |
| Energy | 4,084 | 3,489 | 3,118 |
| Industrial Products | 3,166 | 2,639 | 2,147 |
| Intermodal | 3,609 | 3,227 | 2,486 |
| Total freight revenues | $18,508 | $16,069 | $13,373 |
| Other revenues | 1,049 | 896 | 770 |
| Total operatingrevenues | $19,557 | $16,965 | $14,143 |

although our revenues are principally derived from customers domiciled in the u.s. , the ultimate points of origination or destination for some products transported by us are outside the u.s . basis of presentation 2013 the consolidated financial statements are presented in accordance with accounting principles generally accepted in the u.s . ( gaap ) as codified in the financial accounting standards board ( fasb ) accounting standards codification ( asc ) . certain prior year amounts have been disaggregated to provide more detail and conform to the current period financial statement presentation . 2 . 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 intercompany transactions are eliminated . we currently have no less than majority-owned investments that require consolidation under variable interest entity requirements . cash and cash equivalents 2013 cash equivalents consist of investments with original maturities of three months or less . accounts receivable 2013 accounts receivable includes receivables reduced by an allowance for doubtful accounts . the allowance is based upon historical losses , credit worthiness of customers , and current economic conditions . receivables not expected to be collected in one year and the associated allowances are classified as other assets in our consolidated statements of financial position. .

table_row = [3609, 3227, 2486] # row labeled intermodal
a = sum(table_row)
table_row = [18508, 16069, 13373] # row labeled total freight revenues
b = sum(table_row)
c = a / b * 100