Statistics Norway

4   Emissions to air of greenhouse gases. 1973-2003*
CO2 CH4 N2O HFK23 HFK32 HFK125 HFK134 HFK143 HFK152 HFK227 C3F8 CF4 C2F6 SF6 CO2 equivalents.
Million tonnes
  Million tonnes 1 000 tonnes Tonnes
GWP1  1 21 310 11 700 650 2 800 1 300 3 800 140 2 900 7 000 6 500 9 200 23 900  
1973 30.4 .. .. - - - - - - - - .. .. 0 ..
1974 27.6 .. .. - - - - - - - - .. .. 0 ..
1975 30.5 .. .. - - - - - - - - .. .. 0 ..
1976 33.3 .. .. - - - - - - - - .. .. 0 ..
1977 33.2 .. .. - - - - - - - - .. .. 0 ..
1978 32.5 .. .. - - - - - - - - .. .. 0 ..
1979 34.5 .. .. - - - - - - - - .. .. 0 ..
1980 31.7  259 14 - - - - - - - - .. .. 0 ..
1981 31.7 .. .. - - - - - - - - .. .. 0 ..
1982 30.8 .. .. - - - - - - - - .. .. 91 ..
1983 31.8 .. .. - - - - - - - - .. ..  100 ..
1984 33.7 .. .. - - - - - - - - .. ..  185 ..
1985 32.1 .. .. - - - - - - - -  489 20  199 ..
1986 34.6 .. .. - - - - - - - -  479 20  240 ..
1987 33.0  292 16 - - - - - - - -  464 19  240 53
1988 35.4  292 16 - - - - - - - -  443 18  223 55
1989 33.9  307 17 - - - - - - - -  430 18  107 51
1990 34.7  307 18 - - - - - 0 - -  479 20 91 52
1991 33.6  311 17 - - - 0 - 0 - -  369 14 86 50
1992 33.9  316 15 - - - 0 - 1 - -  294 11 29 48
1993 35.6  322 16 - - - 2 - 1 - -  290 10 30 50
1994 37.3  326 17 0 0 0 5 0 1 - -  251 9 36 52
1995 37.4  329 17 0 0 2 10 2 1 - 0  229 8 24 52
1996 40.6  332 17 0 0 5 17 4 1 0 0  214 5 23 55
1997 40.6  335 17 0 0 10 26 7 2 0 0  201 8 23 55
1998 40.8  331 18 0 0 15 38 10 5 0 0  185 7 29 55
1999 41.3  329 18 0 1 20 50 15 6 0 0  164 6 35 56
2000 40.9  334 18 0 1 26 61 20 8 0 0  131 5 37 55
2001 42.1  333 18 0 2 33 72 27 10 0 0  152 6 32 57
2002* 40.9  327 19 0 2 41 86 35 12 1 0  163 7 10 55
2003* 42.7  327 18 0 5 27 65 20 11 0 0  102 4 11 56
1  Impact on greenhouse effect of emission of 1 tonne of the gas compared with that of 1 tonne CO2.
Source:  Emission inventory from Statistics Norway and Norwegian Polution Control Authority.

Explanation of symbols