|
| 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 | 1.41 | NA |
| 1993 | 63.57 | 4,408.30 % |
| 1994 | 68.86 | 8.33 % |
| 1995 | 69.22 | 0.52 % |
| 1996 | 65.01 | -6.08 % |
| 1997 | 61.80 | -4.94 % |
| 1998 | 51.21 | -17.14 % |
| 1999 | 49.44 | -3.45 % |
| 2000 | 58.27 | 17.86 % |
| 2001 | 74.16 | 27.27 % |
| 2002 | 81.22 | 9.52 % |
| 2003 | 80.52 | -0.87 % |
| 2004 | 78.75 | -2.19 % |
| 2005 | 77.69 | -1.35 % |
| 2006 | 102.41 | 31.82 % |
| 2007 | 54.03 | -47.24 % |
| 2008 | 48.03 | -11.11 % |
| 2009 | 37.43 | -22.06 % |
| 2010 | 34.26 | -8.49 % |
| 2011 | 45.20 | 31.96 % |
|
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