|
Loading...
| year | production | consumption |
| 1986 | 2.80 | 5.10 |
| 1987 | 4.40 | 5.20 |
| 1988 | 3.70 | 4.80 |
| 1989 | 3.00 | 4.60 |
| 1990 | 3.90 | 4.80 |
| 1991 | 3.60 | 4.30 |
| 1992 | 4.90 | 5.60 |
| 1993 | 5.00 | 6.30 |
| 1994 | 5.10 | 12.00 |
| 1995 | 2.90 | 6.20 |
| 1996 | 5.90 | 7.60 |
| 1997 | 6.10 | 7.90 |
| 1998 | 7.30 | 9.70 |
| 1999 | 6.90 | 9.30 |
| 2000 | 6.40 | 9.10 |
| 2001 | 6.60 | 9.00 |
| 2002 | 3.60 | 9.20 |
| 2003 | .00 | 9.40 |
| 2004 | .00 | 10.00 |
| 2005 | .00 | 9.30 |
| 2006 | .00 | 10.00 |
| 2007 | .00 | 11.00 |
| 2008 | .00 | 11.00 |
| 2009 | .00 | 12.00 |
| 2010 | .00 | 11.00 |
| 2011 | .00 | 14.00 |
| 2012 | .00 | 16.00 |
|
|
