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year | production | consumption |
1980 | 1.90 | 4.01 |
1981 | 2.00 | 3.88 |
1982 | 2.22 | 3.94 |
1983 | 2.54 | 3.94 |
1984 | 3.04 | 4.31 |
1985 | 3.38 | 4.59 |
1986 | 3.41 | 4.97 |
1987 | 3.45 | 5.10 |
1988 | 3.54 | 5.26 |
1989 | 3.72 | 5.42 |
1990 | 3.76 | 5.76 |
1991 | 3.91 | 5.97 |
1992 | 3.96 | 6.06 |
1993 | 4.10 | 6.30 |
1994 | 4.26 | 6.59 |
1995 | 4.47 | 6.99 |
1996 | 4.83 | 7.42 |
1997 | 5.06 | 7.82 |
1998 | 5.48 | 8.08 |
1999 | 5.88 | 8.23 |
2000 | 6.36 | 8.50 |
2001 | 6.16 | 8.42 |
2002 | 6.70 | 8.51 |
2003 | 7.02 | 8.59 |
2004 | 7.14 | 8.95 |
2005 | 7.66 | 9.25 |
2006 | 8.00 | 9.47 |
2007 | 8.31 | 9.98 |
2008 | 8.56 | 10.45 |
2009 | 8.93 | 10.39 |
2010 | 9.47 | 11.43 |
2011 | 9.91 | 11.89 |
2012 | 9.76 | 12.27 |
2013 | 9.69 | 12.57 |
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