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year | production | consumption |
1980 | .15 | .08 |
1981 | .14 | .08 |
1982 | .15 | .07 |
1983 | .15 | .08 |
1984 | .16 | .07 |
1985 | .15 | .07 |
1986 | .15 | .07 |
1987 | .15 | .07 |
1988 | .16 | .08 |
1989 | .17 | .09 |
1990 | .17 | .09 |
1991 | .17 | .09 |
1992 | .18 | .10 |
1993 | .17 | .10 |
1994 | .18 | .11 |
1995 | .20 | .12 |
1996 | .20 | .12 |
1997 | .21 | .14 |
1998 | .21 | .13 |
1999 | .19 | .14 |
2000 | .22 | .16 |
2001 | .28 | .15 |
2002 | .32 | .16 |
2003 | .36 | .20 |
2004 | .51 | .20 |
2005 | .59 | .20 |
2006 | .62 | .21 |
2007 | .66 | .24 |
2008 | .66 | .24 |
2009 | .57 | .24 |
2010 | .64 | .24 |
2011 | .70 | .24 |
2012 | .80 | .30 |
2013 | .91 | .28 |
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