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year | production | consumption |
1980 | .13 | .13 |
1981 | .18 | .18 |
1982 | .24 | .24 |
1983 | .40 | .40 |
1984 | .37 | .37 |
1985 | .48 | .48 |
1986 | .52 | .52 |
1987 | .53 | .53 |
1988 | .48 | .48 |
1989 | .49 | .49 |
1990 | .51 | .51 |
1991 | .49 | .49 |
1992 | .47 | .47 |
1993 | .48 | .48 |
1994 | .47 | .47 |
1995 | .59 | .59 |
1996 | .65 | .65 |
1997 | .71 | .71 |
1998 | .84 | .84 |
1999 | .81 | .81 |
2000 | 1.14 | 1.14 |
2001 | 1.40 | 1.40 |
2002 | 1.28 | 1.28 |
2003 | 1.83 | 1.83 |
2004 | 2.22 | 2.22 |
2005 | 2.22 | 2.22 |
2006 | 2.28 | 2.28 |
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