|
Loading...
| year | production | consumption |
| 1980 | 2.50 | 2.50 |
| 1981 | 3.20 | 3.20 |
| 1982 | 3.00 | 3.00 |
| 1983 | 3.20 | 3.20 |
| 1984 | 2.00 | 2.00 |
| 1985 | 3.00 | 3.00 |
| 1986 | 3.00 | 3.00 |
| 1987 | 2.10 | 2.10 |
| 1988 | 2.10 | 2.10 |
| 1989 | 2.10 | 2.10 |
| 1990 | 2.00 | 2.00 |
| 1991 | 1.40 | 1.40 |
| 1992 | .80 | .80 |
| 1993 | 1.10 | 1.10 |
| 1994 | 1.10 | 1.10 |
| 1995 | .70 | .70 |
| 1996 | .70 | .70 |
| 1997 | 1.80 | 1.80 |
| 1998 | 1.80 | 1.80 |
| 1999 | 1.80 | 1.80 |
| 2000 | 1.80 | 1.80 |
| 2001 | 1.80 | 1.80 |
| 2002 | 1.80 | 1.80 |
| 2003 | 1.80 | 1.80 |
| 2004 | 1.80 | 1.80 |
| 2005 | 1.80 | 16.00 |
| 2006 | 2.10 | 20.00 |
| 2007 | 1.30 | 22.00 |
| 2008 | 2.10 | 20.00 |
| 2009 | 2.10 | 23.00 |
| 2010 | 2.10 | 24.00 |
| 2011 | 2.10 | 30.00 |
| 2012 | 2.80 | 44.00 |
| 2013 | 2.80 | 42.00 |
|
|
