|
| year | production | change |
| 1980 | | NA |
| 1981 | | NA |
| 1982 | | NA |
| 1983 | | NA |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | | NA |
| 1987 | | NA |
| 1988 | | NA |
| 1989 | | NA |
| 1990 | | NA |
| 1991 | 5.65 | NA |
| 1992 | 6.18 | 9.38 % |
| 1993 | 6.53 | 5.66 % |
| 1994 | 8.23 | 26.03 % |
| 1995 | 8.94 | 8.63 % |
| 1996 | 9.57 | 7.05 % |
| 1997 | 10.76 | 12.43 % |
| 1998 | 13.65 | 26.86 % |
| 1999 | 13.12 | -3.88 % |
| 2000 | 18.56 | 41.46 % |
| 2001 | 21.85 | 17.73 % |
| 2002 | 27.54 | 26.04 % |
| 2003 | 32.20 | 16.92 % |
| 2004 | 39.99 | 24.19 % |
| 2005 | 42.85 | 7.15 % |
| 2006 | 51.55 | 20.30 % |
|
|