|
| year | production | change |
| 1984 | 76.35 | NA |
| 1985 | 84.38 | 10.51 % |
| 1986 | 80.41 | -4.71 % |
| 1987 | 78.72 | -2.10 % |
| 1988 | 84.21 | 6.97 % |
| 1989 | 80.26 | -4.69 % |
| 1990 | 81.90 | 2.04 % |
| 1991 | 86.31 | 5.38 % |
| 1992 | 81.23 | -5.89 % |
| 1993 | 86.76 | 6.81 % |
| 1994 | 80.10 | -7.67 % |
| 1995 | 79.20 | -1.13 % |
| 1996 | 88.81 | 12.13 % |
| 1997 | 95.21 | 7.22 % |
| 1998 | 97.06 | 1.94 % |
| 1999 | 79.99 | -17.59 % |
| 2000 | 86.65 | 8.32 % |
| 2001 | 86.76 | 0.13 % |
| 2002 | 73.70 | -15.05 % |
| 2003 | 92.10 | 24.96 % |
| 2004 | 89.03 | -3.34 % |
| 2005 | 88.16 | -0.97 % |
| 2006 | 88.13 | -0.04 % |
| 2007 | 83.17 | -5.62 % |
| 2008 | 92.77 | 11.54 % |
| 2009 | 80.05 | -13.70 % |
| 2010 | 66.71 | -16.67 % |
|
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