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year | production | consumption |
1986 | 5.00 | 5.10 |
1987 | 5.30 | 5.10 |
1988 | 5.60 | 5.60 |
1989 | 5.90 | 5.80 |
1990 | 6.10 | 6.20 |
1991 | 4.00 | 4.30 |
1992 | 6.70 | 6.70 |
1993 | 6.80 | 6.80 |
1994 | 7.50 | 7.50 |
1995 | 7.10 | 7.70 |
1996 | 7.60 | 7.60 |
1997 | 7.90 | 8.40 |
1998 | 8.10 | 8.10 |
1999 | 6.80 | 7.00 |
2000 | 8.90 | 9.10 |
2001 | 9.30 | 9.60 |
2002 | 5.50 | 9.90 |
2003 | 6.10 | 11.00 |
2004 | 5.20 | 9.60 |
2005 | 5.60 | 10.00 |
2006 | 4.20 | 9.50 |
2007 | 3.30 | 9.80 |
2008 | 3.00 | 9.90 |
2009 | 2.90 | 10.00 |
2010 | .40 | 11.00 |
2011 | .00 | 12.00 |
2012 | .00 | 12.00 |
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