N2O

N2O ( 1000 tonnes )	Energy	Industrial processes	Agriculture	Total
1990	1,37	3,36	29,15	33,89
1991	1,57	3,08	28,64	33,29
1992	1,56	2,72	27,68	31,96
1993	1,63	2,56	27,01	31,21
1994	1,76	2,60	26,31	30,67
1995	1,86	2,92	25,64	30,42
1996	2,13	2,69	24,54	29,36
1997	2,14	2,74	24,28	29,15
1998	2,16	2,60	24,18	28,95
1999	2,22	3,07	22,75	28,03
2000	2,20	3,24	21,92	27,35
2001	2,25	2,86	21,47	26,58
2002	2,31	2,50	20,64	25,44
2003	2,40	2,89	20,03	25,32
2004	2,40	1,71	20,19	24,30
Last update: 12 june 2006