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year | production | consumption |
1980 | 3.16 | 3.11 |
1981 | 2.94 | 2.78 |
1982 | 2.54 | 2.77 |
1983 | 2.72 | 2.74 |
1984 | 2.76 | 2.90 |
1985 | 2.92 | 3.04 |
1986 | 2.74 | 3.16 |
1987 | 2.73 | 3.24 |
1988 | 2.42 | 3.24 |
1989 | 2.60 | 3.26 |
1990 | 2.64 | 3.33 |
1991 | 2.95 | 3.52 |
1992 | 2.93 | 3.49 |
1993 | 2.98 | 3.56 |
1994 | 2.91 | 3.53 |
1995 | 2.91 | 3.58 |
1996 | 3.25 | 3.73 |
1997 | 2.88 | 3.70 |
1998 | 2.77 | 3.70 |
1999 | 2.56 | 3.69 |
2000 | 2.47 | 3.79 |
2001 | 2.63 | 3.94 |
2002 | 2.62 | 3.94 |
2003 | 2.53 | 4.00 |
2004 | 2.94 | 4.11 |
2005 | 2.70 | 4.20 |
2006 | 2.65 | 4.15 |
2007 | 2.65 | 4.24 |
2008 | 2.87 | 4.21 |
2009 | 2.71 | 4.05 |
2010 | 3.01 | 4.25 |
2011 | 2.77 | 4.05 |
2012 | 2.76 | 4.03 |
2013 | 2.93 | 3.94 |
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