|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 4.72 | NA |
| 1987 | 8.49 | 79.63 % |
| 1988 | 7.26 | -14.47 % |
| 1989 | 7.26 | 0.05 % |
| 1990 | 9.14 | 25.82 % |
| 1991 | 5.71 | -37.50 % |
| 1992 | 9.67 | 69.43 % |
| 1993 | 7.63 | -21.13 % |
| 1994 | 6.85 | -10.20 % |
| 1995 | 4.34 | -36.63 % |
| 1996 | 11.32 | 160.66 % |
| 1997 | 11.63 | 2.76 % |
| 1998 | 12.93 | 11.14 % |
| 1999 | 12.13 | -6.17 % |
| 2000 | 10.20 | -15.89 % |
| 2001 | 11.31 | 10.85 % |
| 2002 | 5.91 | -47.74 % |
| 2003 | | NA |
| 2004 | | NA |
| 2005 | | NA |
| 2006 | .00 | NA |
| 2007 | | NA |
| 2008 | | NA |
| 2009 | | NA |
| 2010 | | NA |
|
|