|
| 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 | | NA |
| 1992 | 64.27 | NA |
| 1993 | 73.03 | 13.63 % |
| 1994 | 63.57 | -12.96 % |
| 1995 | 69.57 | 9.44 % |
| 1996 | 63.57 | -8.62 % |
| 1997 | 56.50 | -11.12 % |
| 1998 | 55.44 | -1.88 % |
| 1999 | 54.74 | -1.27 % |
| 2000 | 58.62 | 7.10 % |
| 2001 | 62.15 | 6.02 % |
| 2002 | 54.74 | -11.93 % |
| 2003 | 65.33 | 19.35 % |
| 2004 | 57.92 | -11.35 % |
| 2005 | 54.39 | -6.10 % |
| 2006 | 55.80 | 2.60 % |
| 2007 | 71.94 | 28.92 % |
| 2008 | 71.87 | -0.10 % |
| 2009 | 69.92 | -2.70 % |
| 2010 | 66.89 | -4.34 % |
| 2011 | 63.74 | -4.70 % |
|
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