|
| year | production | change |
| 1984 | 6.15 | NA |
| 1985 | 5.37 | -12.69 % |
| 1986 | 122.93 | 2,189.25 % |
| 1987 | 120.30 | -2.14 % |
| 1988 | 117.55 | -2.29 % |
| 1989 | 123.61 | 5.16 % |
| 1990 | 131.35 | 6.27 % |
| 1991 | 127.04 | -3.28 % |
| 1992 | 139.37 | 9.70 % |
| 1993 | 142.30 | 2.11 % |
| 1994 | 145.33 | 2.13 % |
| 1995 | 148.74 | 2.35 % |
| 1996 | 149.34 | 0.41 % |
| 1997 | 148.51 | -0.56 % |
| 1998 | 130.01 | -12.46 % |
| 1999 | 165.09 | 26.98 % |
| 2000 | 169.50 | 2.67 % |
| 2001 | 162.61 | -4.07 % |
| 2002 | 159.04 | -2.20 % |
| 2003 | 164.50 | 3.44 % |
| 2004 | 158.40 | -3.71 % |
| 2005 | 163.65 | 3.31 % |
| 2006 | 153.82 | -6.00 % |
| 2007 | 143.76 | -6.54 % |
| 2008 | 132.29 | -7.98 % |
| 2009 | 81.24 | -38.59 % |
| 2010 | 55.53 | -31.64 % |
|
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