year Air Inland Rail Road
2000 298.38 208.04 27.37 115.91
2001 295.84 216.24 26.96 116.34
2002 293.44 224.61 26.56 116.0
2003 291.18 233.17 26.18 114.65
2004 289.04 241.91 25.81 113.93
2005 287.01 250.85 25.46 113.46
2006 286.72 250.13 23.98 113.12
2007 286.43 249.4 22.87 112.71
2008 286.13 248.65 21.34 111.99
2009 285.84 247.9 20.97 111.04
2010 285.54 247.13 20.25 111.08
2011 285.25 246.36 19.54 109.69
2012 284.95 245.57 18.84 108.53