Productivity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | Average |
Airline transportation | 1.389 | 0.862 | 0.783 | 0.836 | 1.327 | 0.840 | 1.132 | 0.998 |
Truck transportation | 0.642 | 1.322 | 1.039 | 0.872 | 1.208 | 1.105 | 0.836 | 0.978 |
Rail transportation | 0.476 | 1.502 | 1.216 | 0.660 | 1.815 | 0.464 | 1.916 | 0.989 |
Pipeline transportation | 0.494 | 1.035 | 1.087 | 1.921 | 0.752 | 0.829 | 0.707 | 0.898 |
Water transportation | 1.176 | 1.121 | 0.870 | 0.917 | 0.990 | 0.708 | 1.370 | 1.001 |
Pooled transportation | 0.662 | 1.485 | 0.831 | 0.951 | 1.291 | 0.848 | 1.217 | 1.005 |