|
Loading...
| year | production | consumption |
| 1986 | 9.00 | .30 |
| 1987 | 11.00 | .70 |
| 1988 | 9.00 | .70 |
| 1989 | 6.50 | .70 |
| 1990 | 6.80 | .80 |
| 1991 | 6.80 | .70 |
| 1992 | 1.70 | .70 |
| 1993 | 1.70 | .80 |
| 1994 | 1.90 | 1.70 |
| 1995 | 3.20 | 1.70 |
| 1996 | 3.00 | 1.80 |
| 1997 | 2.00 | .60 |
| 1998 | 3.10 | .00 |
| 1999 | 3.20 | 3.20 |
| 2000 | .00 | .00 |
| 2001 | 64.00 | .00 |
| 2002 | .00 | .00 |
| 2003 | .00 | .00 |
| 2004 | .00 | .00 |
| 2005 | .00 | .00 |
| 2006 | .00 | .00 |
| 2007 | .00 | .00 |
| 2008 | .00 | .00 |
| 2009 | .00 | .00 |
| 2010 | .00 | .00 |
| 2011 | .00 | .00 |
| 2012 | .00 | .00 |
|
|
