|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 73.13 | NA |
| 1987 | 76.91 | 5.16 % |
| 1988 | 75.31 | -2.08 % |
| 1989 | 78.63 | 4.41 % |
| 1990 | 79.64 | 1.29 % |
| 1991 | 84.16 | 5.67 % |
| 1992 | 81.38 | -3.30 % |
| 1993 | 83.07 | 2.08 % |
| 1994 | 83.13 | 0.07 % |
| 1995 | 83.75 | 0.74 % |
| 1996 | 86.54 | 3.33 % |
| 1997 | 90.72 | 4.83 % |
| 1998 | 86.61 | -4.53 % |
| 1999 | 90.35 | 4.32 % |
| 2000 | 88.05 | -2.54 % |
| 2001 | 84.09 | -4.50 % |
| 2002 | 86.52 | 2.88 % |
| 2003 | 87.78 | 1.46 % |
| 2004 | 91.72 | 4.49 % |
| 2005 | 91.97 | 0.27 % |
| 2006 | 93.32 | 1.47 % |
| 2007 | 94.04 | 0.77 % |
| 2008 | 93.69 | -0.37 % |
| 2009 | 93.10 | -0.63 % |
| 2010 | 96.31 | 3.45 % |
|
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