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year | production | consumption |
1980 | .87 | .87 |
1981 | .91 | .91 |
1982 | 1.28 | 1.28 |
1983 | 1.35 | 1.35 |
1984 | 1.42 | 1.42 |
1985 | 1.64 | 1.64 |
1986 | 3.40 | 3.40 |
1987 | 4.33 | 4.33 |
1988 | 4.66 | 4.66 |
1989 | 4.68 | 4.68 |
1990 | 4.87 | 4.87 |
1991 | 5.17 | 5.17 |
1992 | 5.52 | 5.52 |
1993 | 5.59 | 5.59 |
1994 | 5.33 | 5.33 |
1995 | 5.40 | 5.40 |
1996 | 5.45 | 5.45 |
1997 | 5.20 | 5.20 |
1998 | 5.67 | 5.67 |
1999 | 5.84 | 5.84 |
2000 | 6.05 | 6.05 |
2001 | 5.79 | 5.79 |
2002 | 5.60 | 5.60 |
2003 | 8.32 | 8.32 |
2004 | 8.66 | 8.66 |
2005 | 9.88 | 9.88 |
2006 | 8.75 | 8.75 |
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