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year | production | consumption |
1986 | 1.80 | 3.60 |
1987 | 2.50 | 3.80 |
1988 | 2.20 | 4.10 |
1989 | 2.30 | 4.60 |
1990 | 1.70 | 4.50 |
1991 | 1.30 | 5.30 |
1992 | 1.60 | 6.10 |
1993 | 1.60 | 7.60 |
1994 | 2.40 | 5.80 |
1995 | 1.70 | 8.40 |
1996 | 2.00 | 9.90 |
1997 | 2.30 | 9.10 |
1999 | .00 | 13.00 |
2000 | .00 | 13.00 |
2001 | 5.30 | 14.00 |
2002 | .00 | 15.00 |
2003 | .00 | 14.00 |
2004 | .00 | 13.00 |
2005 | 2.00 | 13.00 |
2006 | 2.50 | 14.00 |
2007 | 3.10 | 15.00 |
2008 | 2.40 | 15.00 |
2009 | 2.00 | 16.00 |
2010 | 2.50 | 17.00 |
2011 | .00 | 16.00 |
2012 | .00 | 17.00 |
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