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year | production | consumption |
1986 | 2.90 | 2.90 |
1987 | 3.10 | 3.20 |
1988 | 3.90 | 3.90 |
1989 | 2.80 | 3.90 |
1990 | 4.20 | 4.20 |
1991 | 3.50 | 3.50 |
1992 | 2.60 | 3.80 |
1993 | 4.00 | 4.00 |
1994 | 4.20 | 4.20 |
1995 | 3.60 | 3.80 |
1996 | 4.70 | 4.70 |
1997 | 4.00 | 4.50 |
1998 | 4.40 | 4.40 |
1999 | 3.90 | 4.70 |
2000 | 5.00 | 5.10 |
2001 | 4.40 | 5.40 |
2002 | 5.30 | 6.50 |
2003 | 4.60 | 7.70 |
2004 | 4.70 | 8.90 |
2005 | 4.20 | 9.70 |
2006 | 4.50 | 11.00 |
2007 | 3.80 | 12.00 |
2008 | 3.80 | 10.00 |
2009 | 4.20 | 11.00 |
2010 | 3.70 | 14.00 |
2011 | 4.80 | 17.00 |
2012 | 3.60 | 18.00 |
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