|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 25.00 | NA |
| 1987 | 27.30 | 9.20 % |
| 1988 | 27.00 | -1.10 % |
| 1989 | 27.98 | 3.63 % |
| 1990 | 29.00 | 3.65 % |
| 1991 | 30.38 | 4.76 % |
| 1992 | 30.53 | 0.50 % |
| 1993 | 28.30 | -7.30 % |
| 1994 | 32.95 | 16.43 % |
| 1995 | 35.01 | 6.24 % |
| 1996 | 34.12 | -2.54 % |
| 1997 | 35.15 | 3.01 % |
| 1998 | 35.97 | 2.33 % |
| 1999 | 34.75 | -3.38 % |
| 2000 | 53.00 | 52.51 % |
| 2001 | 45.00 | -15.09 % |
| 2002 | 49.78 | 10.62 % |
| 2003 | 30.10 | -39.53 % |
| 2004 | 40.69 | 35.19 % |
| 2005 | 43.73 | 7.45 % |
| 2006 | 56.93 | 30.20 % |
| 2007 | 54.59 | -4.11 % |
| 2008 | 50.60 | -7.32 % |
| 2009 | 55.90 | 10.49 % |
| 2010 | 43.09 | -22.91 % |
|
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