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year | production | consumption |
1986 | 4.70 | 4.70 |
1987 | 4.30 | 4.30 |
1988 | 4.20 | 4.20 |
1989 | 3.60 | 3.10 |
1990 | 4.30 | 3.40 |
1991 | 4.80 | 3.40 |
1992 | 6.30 | 6.00 |
1993 | 5.00 | 4.80 |
1994 | 4.70 | 4.90 |
1995 | 4.60 | 4.60 |
1996 | 4.30 | 4.30 |
1997 | 4.30 | 4.30 |
1998 | 4.10 | 4.10 |
1999 | 3.80 | 4.20 |
2000 | 5.20 | 5.10 |
2001 | 3.80 | 3.90 |
2002 | 4.40 | 3.70 |
2003 | 4.00 | 4.50 |
2004 | 3.40 | 4.50 |
2005 | 4.90 | 5.20 |
2006 | 2.80 | 3.20 |
2007 | 2.90 | 2.80 |
2008 | 2.30 | 2.20 |
2009 | 1.70 | 2.40 |
2010 | 1.80 | 1.50 |
2011 | 1.20 | 1.60 |
2012 | 2.00 | 1.70 |
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