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year | production | consumption |
1986 | .90 | 1.00 |
1987 | .80 | .90 |
1988 | .80 | 1.60 |
1989 | .70 | 1.30 |
1990 | .80 | .90 |
1991 | .90 | 1.60 |
1992 | .80 | 1.60 |
1993 | .80 | 2.00 |
1994 | 1.30 | 2.60 |
1995 | .60 | 2.20 |
1996 | .50 | 3.50 |
1997 | .50 | 3.50 |
1998 | .60 | 3.70 |
1999 | .60 | 4.10 |
2000 | .50 | 4.50 |
2001 | .50 | 4.70 |
2002 | .50 | 4.00 |
2003 | .40 | 5.60 |
2004 | .50 | 5.20 |
2005 | .50 | 5.40 |
2006 | .60 | 6.70 |
2007 | .60 | 6.90 |
2008 | .40 | 7.00 |
2009 | .40 | 7.40 |
2010 | .40 | 7.80 |
2011 | .40 | 6.70 |
2012 | .20 | 7.70 |
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