|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 20.00 | NA |
| 1987 | 26.05 | 30.25 % |
| 1988 | 20.26 | -22.22 % |
| 1989 | 19.65 | -2.99 % |
| 1990 | 23.50 | 19.57 % |
| 1991 | 23.98 | 2.04 % |
| 1992 | 22.92 | -4.44 % |
| 1993 | 20.89 | -8.84 % |
| 1994 | 24.40 | 16.79 % |
| 1995 | 29.46 | 20.76 % |
| 1996 | 35.74 | 21.29 % |
| 1997 | 53.50 | 49.70 % |
| 1998 | 40.17 | -24.90 % |
| 1999 | 55.36 | 37.80 % |
| 2000 | 76.10 | 37.47 % |
| 2001 | 55.32 | -27.31 % |
| 2002 | 58.32 | 5.44 % |
| 2003 | 56.44 | -3.23 % |
| 2004 | 52.00 | -7.87 % |
| 2005 | 49.03 | -5.72 % |
| 2006 | 59.34 | 21.04 % |
| 2007 | 86.36 | 45.54 % |
| 2008 | 82.26 | -4.76 % |
| 2009 | 97.02 | 17.95 % |
| 2010 | 152.67 | 57.37 % |
|
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