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year | production | consumption |
1986 | 3.50 | 5.00 |
1987 | 1.70 | 3.20 |
1988 | 1.60 | 3.20 |
1989 | 1.70 | 3.30 |
1990 | 1.70 | 3.30 |
1991 | .90 | 1.90 |
1992 | .70 | 1.50 |
1993 | .70 | 1.60 |
1994 | .70 | 1.60 |
1995 | .70 | 1.60 |
1996 | .70 | 1.60 |
1997 | .70 | 1.60 |
1998 | .70 | 1.60 |
1999 | .70 | 1.60 |
2000 | .00 | 1.50 |
2001 | .00 | 1.50 |
2002 | .00 | 1.50 |
2003 | .00 | 1.50 |
2004 | .00 | 1.50 |
2005 | .00 | 1.80 |
2006 | .20 | 1.80 |
2007 | .20 | 2.20 |
2008 | .20 | 2.20 |
2009 | .00 | 2.20 |
2010 | .00 | 2.10 |
2011 | .00 | 2.10 |
2012 | .00 | 2.10 |
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