|
| year | production | consumption |
| 1984 | | |
| 1985 | | |
| 1986 | 150.83 | 13.53 |
| 1987 | 20.49 | 14.33 |
| 1988 | 20.00 | 27.00 |
| 1989 | 20.00 | 24.00 |
| 1990 | 20.00 | 239.95 |
| 1991 | 30.71 | 254.19 |
| 1992 | 37.27 | 307.28 |
| 1993 | 40.92 | 349.04 |
| 1994 | 30.74 | 352.14 |
| 1995 | 34.01 | 361.01 |
| 1996 | 39.49 | 368.63 |
| 1997 | 41.69 | 370.65 |
| 1998 | 64.99 | 373.06 |
| 1999 | 40.99 | 32.63 |
| 2000 | 42.87 | 225.87 |
| 2001 | 42.06 | 236.31 |
| 2002 | 28.33 | 424.08 |
| 2003 | 27.81 | 344.79 |
| 2004 | 36.61 | 344.93 |
| 2005 | 34.90 | 313.77 |
| 2006 | 40.36 | 101.73 |
| 2007 | 31.56 | 480.79 |
| 2008 | 30.95 | 348.79 |
| 2009 | 34.77 | 357.60 |
| 2010 | 33.50 | 490.00 |
|
|
