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year | production | consumption |
1980 | .47 | 1.08 |
1981 | .46 | 1.07 |
1982 | .47 | 1.01 |
1983 | .46 | 1.02 |
1984 | .44 | 1.05 |
1985 | .46 | 1.07 |
1986 | .46 | 1.07 |
1987 | .40 | 1.02 |
1988 | .50 | 1.10 |
1989 | .50 | 1.11 |
1990 | .46 | 1.15 |
1991 | .47 | 1.21 |
1992 | .50 | 1.19 |
1993 | .51 | 1.23 |
1994 | .49 | 1.22 |
1995 | .52 | 1.27 |
1996 | .49 | 1.32 |
1997 | .49 | 1.34 |
1998 | .51 | 1.36 |
1999 | .55 | 1.37 |
2000 | .56 | 1.35 |
2001 | .55 | 1.41 |
2002 | .55 | 1.42 |
2003 | .49 | 1.43 |
2004 | .52 | 1.48 |
2005 | .51 | 1.53 |
2006 | .52 | 1.52 |
2007 | .54 | 1.50 |
2008 | .54 | 1.50 |
2009 | .56 | 1.44 |
2010 | .54 | 1.49 |
2011 | .51 | 1.40 |
2012 | .60 | 1.44 |
2013 | .57 | 1.46 |
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