|
| year | production | change |
| 1984 | 57.12 | NA |
| 1985 | 58.38 | 2.22 % |
| 1986 | 60.15 | 3.02 % |
| 1987 | 67.81 | 12.74 % |
| 1988 | 64.16 | -5.38 % |
| 1989 | 64.91 | 1.17 % |
| 1990 | 71.84 | 10.67 % |
| 1991 | 69.77 | -2.88 % |
| 1992 | 73.24 | 4.97 % |
| 1993 | 81.84 | 11.74 % |
| 1994 | 86.91 | 6.20 % |
| 1995 | 91.93 | 5.77 % |
| 1996 | 86.79 | -5.60 % |
| 1997 | 90.65 | 4.46 % |
| 1998 | 85.13 | -6.10 % |
| 1999 | 76.40 | -10.25 % |
| 2000 | 63.36 | -17.07 % |
| 2001 | 69.29 | 9.37 % |
| 2002 | 86.05 | 24.19 % |
| 2003 | 88.85 | 3.25 % |
| 2004 | 80.33 | -9.60 % |
| 2005 | 83.55 | 4.02 % |
| 2006 | 84.71 | 1.38 % |
| 2007 | 94.87 | 12.00 % |
| 2008 | 105.33 | 11.02 % |
| 2009 | 91.75 | -12.89 % |
| 2010 | 88.62 | -3.40 % |
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