| Revenue ton-miles (billions) | |
|---|---|
| 2008 Q1 | 442.5 |
| 2008 Q2 | 443.0 |
| 2008 Q3 | 450.6 |
| 2008 Q4 | 420.5 |
| 2009 Q1 | 378.3 |
| 2009 Q2 | 363.7 |
SOURCE: Surface Transportation Board, Office of Economics, Environmental Analysis and Administration, Quarterly Selected Earnings Report, available at http://www.stb.dot.gov/ as of October 2009.