|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 38.24 | NA |
| 1987 | 34.64 | -9.42 % |
| 1988 | 45.15 | 30.33 % |
| 1989 | 42.95 | -4.86 % |
| 1990 | 45.56 | 6.08 % |
| 1991 | 46.10 | 1.18 % |
| 1992 | 44.94 | -2.52 % |
| 1993 | 36.59 | -18.58 % |
| 1994 | 27.33 | -25.31 % |
| 1995 | 29.88 | 9.31 % |
| 1996 | 60.93 | 103.94 % |
| 1997 | 54.22 | -11.01 % |
| 1998 | 61.96 | 14.27 % |
| 1999 | 62.54 | 0.95 % |
| 2000 | 70.00 | 11.93 % |
| 2001 | 71.12 | 1.59 % |
| 2002 | 70.14 | -1.38 % |
| 2003 | 66.65 | -4.97 % |
| 2004 | 60.07 | -9.87 % |
| 2005 | 60.18 | 0.17 % |
| 2006 | 64.18 | 6.65 % |
| 2007 | 60.63 | -5.53 % |
| 2008 | 66.49 | 9.66 % |
| 2009 | 63.55 | -4.42 % |
| 2010 | 57.59 | -9.39 % |
|
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