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year | production | consumption |
1980 | .38 | .03 |
1981 | .33 | .03 |
1982 | .34 | .03 |
1983 | .35 | .04 |
1984 | .35 | .04 |
1985 | .38 | .03 |
1986 | .37 | .03 |
1987 | .34 | .03 |
1988 | .35 | .04 |
1989 | .46 | .04 |
1990 | .59 | .04 |
1991 | .64 | .04 |
1992 | .65 | .05 |
1993 | .68 | .04 |
1994 | .72 | .04 |
1995 | .80 | .04 |
1996 | .81 | .04 |
1997 | .81 | .05 |
1998 | .77 | .04 |
1999 | .72 | .04 |
2000 | .69 | .04 |
2001 | .59 | .04 |
2002 | .55 | .04 |
2003 | .53 | .04 |
2004 | .53 | .04 |
2005 | .58 | .04 |
2006 | .52 | .04 |
2007 | .54 | .05 |
2008 | .55 | .05 |
2009 | .53 | .05 |
2010 | .54 | .05 |
2011 | .54 | .05 |
2012 | .49 | .06 |
2013 | .54 | .07 |
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