|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 34.21 | NA |
| 1987 | 32.21 | -5.83 % |
| 1988 | 45.21 | 40.34 % |
| 1989 | 44.55 | -1.45 % |
| 1990 | 55.40 | 24.34 % |
| 1991 | 60.12 | 8.53 % |
| 1992 | 60.06 | -0.10 % |
| 1993 | 62.08 | 3.36 % |
| 1994 | 59.59 | -4.02 % |
| 1995 | 62.74 | 5.29 % |
| 1996 | 60.59 | -3.43 % |
| 1997 | 84.30 | 39.14 % |
| 1998 | 49.77 | -40.96 % |
| 1999 | 57.41 | 15.35 % |
| 2000 | 21.95 | -61.76 % |
| 2001 | 51.59 | 135.02 % |
| 2002 | 51.47 | -0.24 % |
| 2003 | 29.00 | -43.64 % |
| 2004 | 24.05 | -17.08 % |
| 2005 | 43.43 | 80.57 % |
| 2006 | 25.78 | -40.64 % |
| 2007 | 18.86 | -26.83 % |
| 2008 | 24.42 | 29.47 % |
| 2009 | 11.68 | -52.18 % |
| 2010 | 21.01 | 79.88 % |
|
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