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year | production | consumption |
1980 | .87 | 2.07 |
1981 | .99 | 2.02 |
1982 | .95 | 1.88 |
1983 | 1.07 | 1.92 |
1984 | 1.21 | 2.03 |
1985 | 1.31 | 2.16 |
1986 | 1.32 | 2.19 |
1987 | 1.40 | 2.26 |
1988 | 1.39 | 2.22 |
1989 | 1.39 | 2.19 |
1990 | 1.42 | 2.21 |
1991 | 1.41 | 2.21 |
1992 | 1.39 | 2.24 |
1993 | 1.37 | 2.24 |
1994 | 1.33 | 2.26 |
1995 | 1.39 | 2.30 |
1996 | 1.27 | 2.26 |
1997 | 1.40 | 2.31 |
1998 | 1.50 | 2.39 |
1999 | 1.46 | 2.35 |
2000 | 1.39 | 2.26 |
2001 | 1.55 | 2.39 |
2002 | 1.37 | 2.26 |
2003 | 1.24 | 2.14 |
2004 | 1.44 | 2.31 |
2005 | 1.52 | 2.33 |
2006 | 1.37 | 2.21 |
2007 | 1.42 | 2.24 |
2008 | 1.41 | 2.18 |
2009 | 1.28 | 2.06 |
2010 | 1.36 | 2.18 |
2011 | 1.40 | 2.14 |
2012 | 1.55 | 2.22 |
2013 | 1.43 | 2.12 |
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