|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 26.11 | NA |
| 1987 | 26.01 | -0.38 % |
| 1988 | 25.60 | -1.58 % |
| 1989 | 26.42 | 3.20 % |
| 1990 | 29.32 | 10.99 % |
| 1991 | 36.91 | 25.90 % |
| 1992 | 38.34 | 3.88 % |
| 1993 | 38.04 | -0.80 % |
| 1994 | 20.45 | -46.23 % |
| 1995 | 26.18 | 28.01 % |
| 1996 | 15.99 | -38.91 % |
| 1997 | 19.31 | 20.74 % |
| 1998 | 16.04 | -16.93 % |
| 1999 | 16.90 | 5.34 % |
| 2000 | 19.02 | 12.54 % |
| 2001 | 17.35 | -8.78 % |
| 2002 | 20.29 | 16.97 % |
| 2003 | 16.75 | -17.44 % |
| 2004 | 18.01 | 7.50 % |
| 2005 | 19.61 | 8.91 % |
| 2006 | 16.39 | -16.44 % |
| 2007 | 20.25 | 23.58 % |
| 2008 | 25.51 | 25.93 % |
| 2009 | 21.89 | -14.20 % |
| 2010 | 17.02 | -22.23 % |
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