|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 8.28 | NA |
| 1987 | 10.61 | 28.13 % |
| 1988 | 6.38 | -39.80 % |
| 1989 | 5.47 | -14.31 % |
| 1990 | 6.84 | 25.03 % |
| 1991 | 11.17 | 63.25 % |
| 1992 | 20.01 | 79.22 % |
| 1993 | 18.70 | -6.59 % |
| 1994 | 11.50 | -38.47 % |
| 1995 | 4.98 | -56.68 % |
| 1996 | 20.94 | 320.13 % |
| 1997 | 20.36 | -2.74 % |
| 1998 | 24.08 | 18.27 % |
| 1999 | 24.05 | -0.12 % |
| 2000 | 22.16 | -7.88 % |
| 2001 | 32.72 | 47.65 % |
| 2002 | 6.53 | -80.05 % |
| 2003 | | NA |
| 2004 | | NA |
| 2005 | | NA |
| 2006 | .00 | NA |
| 2007 | | NA |
| 2008 | | NA |
| 2009 | | NA |
| 2010 | | NA |
|
|