|
Loading...
| year | production | consumption |
| 1992 | .00 | 8.60 |
| 1993 | .00 | 7.60 |
| 1994 | .00 | 3.70 |
| 1995 | .00 | 5.00 |
| 1996 | .00 | 4.10 |
| 1997 | .00 | 2.70 |
| 1998 | .00 | 5.30 |
| 1999 | 1.70 | 5.40 |
| 2000 | 1.40 | 4.40 |
| 2001 | 1.10 | 4.40 |
| 2002 | .90 | 4.00 |
| 2003 | .60 | 5.20 |
| 2004 | .40 | 6.90 |
| 2005 | .50 | 6.60 |
| 2006 | .20 | 5.40 |
| 2007 | .30 | 5.90 |
| 2008 | .30 | 11.00 |
| 2009 | .20 | 6.30 |
| 2010 | .40 | 10.00 |
| 2011 | .40 | 14.00 |
| 2012 | .30 | 21.00 |
|
|