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year | production | consumption |
1980 | .17 | .94 |
1981 | .29 | .88 |
1982 | .30 | .87 |
1983 | .32 | .88 |
1984 | .32 | .92 |
1985 | .31 | .93 |
1986 | .32 | .96 |
1987 | .33 | 1.04 |
1988 | .33 | 1.04 |
1989 | .32 | 1.05 |
1990 | .36 | 1.10 |
1991 | .38 | 1.12 |
1992 | .39 | 1.12 |
1993 | .39 | 1.13 |
1994 | .38 | 1.18 |
1995 | .39 | 1.12 |
1996 | .37 | 1.13 |
1997 | .40 | 1.17 |
1998 | .46 | 1.21 |
1999 | .44 | 1.20 |
2000 | .46 | 1.23 |
2001 | .44 | 1.24 |
2002 | .42 | 1.25 |
2003 | .42 | 1.30 |
2004 | .48 | 1.34 |
2005 | .46 | 1.26 |
2006 | .45 | 1.31 |
2007 | .47 | 1.33 |
2008 | .50 | 1.29 |
2009 | .44 | 1.20 |
2010 | .46 | 1.29 |
2011 | .46 | 1.22 |
2012 | .50 | 1.21 |
2013 | .48 | 1.20 |
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