Mode Road Rail Maritime Inland shipping Air
Freight 2000 0.087 0.033 0.02 0.066
Freight 2006 0.054 0.015 0.023 0.066
Freight 2012 0.028 0.01 0.02 0.065
Passenger 2000 0.022 0.008 0.207 0.0
Passenger 2006 0.018 0.005 0.262 0.0
Passenger 2012 0.012 0.003 0.298 0.0