|
| year | production | change |
| 1980 | 1,499.14 | NA |
| 1981 | 1,550.95 | 3.46 % |
| 1982 | 1,620.40 | 4.48 % |
| 1983 | 1,655.67 | 2.18 % |
| 1984 | 1,847.47 | 11.58 % |
| 1985 | 1,708.58 | -7.52 % |
| 1986 | 1,708.58 | 0.00 % |
| 1987 | 1,397.73 | -18.19 % |
| 1988 | 1,403.24 | 0.39 % |
| 1989 | 1,111.13 | -20.82 % |
| 1990 | 1,159.63 | 4.37 % |
| 1991 | 1,214.75 | 4.75 % |
| 1992 | 1,269.86 | 4.54 % |
| 1993 | 1,331.59 | 4.86 % |
| 1994 | 1,433.01 | 7.62 % |
| 1995 | 1,433.01 | 0.00 % |
| 1996 | 1,115.54 | -22.15 % |
| 1997 | 828.94 | -25.69 % |
| 1998 | 593.04 | -28.46 % |
| 1999 | 284.40 | -52.04 % |
| 2000 | 68.34 | -75.97 % |
| 2001 | 4.41 | -93.55 % |
| 2002 | | NA |
| 2003 | | NA |
| 2004 | 26.46 | NA |
| 2005 | 13.23 | -50.00 % |
| 2006 | 4.41 | -66.67 % |
| 2007 | | NA |
| 2008 | | NA |
| 2009 | | NA |
| 2010 | | NA |
| 2011 | | NA |
|
|
