|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 61.97 | NA |
| 1987 | 58.16 | -6.14 % |
| 1988 | 60.85 | 4.63 % |
| 1989 | 59.99 | -1.41 % |
| 1990 | 62.74 | 4.57 % |
| 1991 | 64.56 | 2.90 % |
| 1992 | 63.70 | -1.34 % |
| 1993 | 55.70 | -12.55 % |
| 1994 | 60.84 | 9.23 % |
| 1995 | 54.65 | -10.17 % |
| 1996 | 62.28 | 13.96 % |
| 1997 | 54.49 | -12.51 % |
| 1998 | 57.36 | 5.26 % |
| 1999 | 63.92 | 11.44 % |
| 2000 | 61.46 | -3.84 % |
| 2001 | 54.27 | -11.70 % |
| 2002 | 51.73 | -4.69 % |
| 2003 | 54.89 | 6.10 % |
| 2004 | 49.75 | -9.36 % |
| 2005 | 52.13 | 4.79 % |
| 2006 | 50.63 | -2.87 % |
| 2007 | 51.04 | 0.79 % |
| 2008 | 50.85 | -0.36 % |
| 2009 | 50.54 | -0.61 % |
| 2010 | 52.29 | 3.47 % |
|
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