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year | production | consumption |
1980 | 1.60 | 1.64 |
1981 | 1.67 | 1.59 |
1982 | 1.73 | 1.68 |
1983 | 1.79 | 1.69 |
1984 | 1.85 | 1.84 |
1985 | 1.83 | 1.75 |
1986 | 1.84 | 1.90 |
1987 | 1.83 | 1.95 |
1988 | 1.91 | 1.95 |
1989 | 1.99 | 1.94 |
1990 | 2.02 | 1.88 |
1991 | 2.10 | 1.97 |
1992 | 2.28 | 2.04 |
1993 | 2.48 | 2.20 |
1994 | 2.69 | 2.24 |
1995 | 2.91 | 2.31 |
1996 | 3.03 | 2.39 |
1997 | 3.28 | 2.46 |
1998 | 3.38 | 2.57 |
1999 | 3.41 | 2.61 |
2000 | 3.49 | 2.67 |
2001 | 3.66 | 2.62 |
2002 | 3.57 | 2.48 |
2003 | 3.74 | 2.67 |
2004 | 3.76 | 2.78 |
2005 | 3.75 | 3.11 |
2006 | 3.82 | 3.31 |
2007 | 3.66 | 3.35 |
2008 | 3.63 | 3.48 |
2009 | 3.54 | 3.41 |
2010 | 3.43 | 3.54 |
2011 | 3.26 | 3.67 |
2012 | 3.12 | 3.65 |
2013 | 3.09 | 3.82 |
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