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year | production | consumption |
1980 | .43 | 1.05 |
1981 | .47 | .97 |
1982 | .51 | 1.10 |
1983 | .49 | 1.14 |
1984 | .54 | 1.22 |
1985 | .62 | 1.33 |
1986 | .70 | 1.50 |
1987 | .78 | 1.65 |
1988 | .80 | 1.70 |
1989 | .81 | 1.80 |
1990 | .85 | 1.97 |
1991 | .87 | 2.06 |
1992 | .95 | 2.13 |
1993 | .99 | 2.33 |
1994 | .95 | 2.23 |
1995 | .99 | 2.49 |
1996 | 1.05 | 2.74 |
1997 | 1.10 | 2.92 |
1998 | 1.17 | 2.99 |
1999 | 1.06 | 2.90 |
2000 | 1.00 | 3.16 |
2001 | .90 | 2.89 |
2002 | .94 | 3.14 |
2003 | .92 | 3.31 |
2004 | 1.00 | 3.51 |
2005 | 1.07 | 3.73 |
2006 | 1.15 | 4.07 |
2007 | 1.17 | 4.35 |
2008 | 1.19 | 4.24 |
2009 | 1.23 | 4.24 |
2010 | 1.35 | 4.48 |
2011 | 1.39 | 5.25 |
2012 | 1.40 | 5.40 |
2013 | 1.15 | 5.22 |
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