7.2.3. Emissions NOx by mode of transport (tonnes)
	1995	1999	2000	2001	2002	2003
Total	106 400	119 300	117 500	116 400	106 400	112 900
Individual  road passenger transport	43 800	38 500	32 900	30 300	26 500	27 200
Public road passenger transport	8 100	11 000	12 800	14 600	10 900	13 400
Road freight transport	29 700	42 300	44 500	46 200	45 100	46 200
MHD - buses	6 000	8 000	8 900	8 800	7 800	8 900
Railway transport  - motor traction	10 300	8 300	7 200	7 500	6 300	7 400
Waterway transport	1 300	1 100	900	700	600	700
Air transport	7 200	10 100	10 300	9 500	9 200	9 100
						Source: CDV