|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 2.13 | NA |
| 1987 | 2.04 | -4.15 % |
| 1988 | 2.70 | 32.34 % |
| 1989 | 5.18 | 91.82 % |
| 1990 | 3.70 | -28.47 % |
| 1991 | 3.97 | 7.21 % |
| 1992 | 2.98 | -24.90 % |
| 1993 | 4.63 | 55.18 % |
| 1994 | 4.63 | 0.02 % |
| 1995 | 4.65 | 0.41 % |
| 1996 | 4.63 | -0.27 % |
| 1997 | 4.67 | 0.70 % |
| 1998 | 4.68 | 0.40 % |
| 1999 | 4.87 | 4.01 % |
| 2000 | | NA |
| 2001 | | NA |
| 2002 | | NA |
| 2003 | | NA |
| 2004 | | NA |
| 2005 | | NA |
| 2006 | | NA |
| 2007 | | NA |
| 2008 | | NA |
| 2009 | | NA |
| 2010 | | NA |
|
|
