7.3.4. Dinitrogen oxide (N2O)  emissions (g/inhabitant)
	1995	1999	2000	2001	2002	2003
Individual road passenger transport	209	425	509	538	571	659
Public road passenger transport	2	3	3	4	3	4
Road freight transport	10	12	13	15	16	17
Urban public transport	2	2	2	2	2	2
Rail transport - diesel traction	3	2	2	2	2	3
Waterway transport	0	0	0	0	0	0
Air transport	26	27	27	26	29	34
Transport total	252	471	556	587	623	719
						Source: CDV