|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 3.05 | NA |
| 1987 | 3.66 | 20.02 % |
| 1988 | 4.29 | 17.02 % |
| 1989 | 3.63 | -15.30 % |
| 1990 | 3.17 | -12.59 % |
| 1991 | 4.48 | 41.08 % |
| 1992 | 4.99 | 11.50 % |
| 1993 | 5.92 | 18.45 % |
| 1994 | 6.00 | 1.47 % |
| 1995 | 5.67 | -5.52 % |
| 1996 | 5.65 | -0.32 % |
| 1997 | 7.95 | 40.70 % |
| 1998 | 8.35 | 4.94 % |
| 1999 | 9.35 | 11.98 % |
| 2000 | 9.24 | -1.09 % |
| 2001 | 9.10 | -1.56 % |
| 2002 | 8.01 | -12.01 % |
| 2003 | 6.86 | -14.26 % |
| 2004 | 2.12 | -69.15 % |
| 2005 | | NA |
| 2006 | | NA |
| 2007 | | NA |
| 2008 | | NA |
| 2009 | | NA |
| 2010 | | NA |
|
|