|
| year | production | change |
| 1980 | 30.00 | NA |
| 1981 | 50.00 | 66.67 % |
| 1982 | 94.00 | 88.00 % |
| 1983 | 113.40 | 20.64 % |
| 1984 | 143.00 | 26.10 % |
| 1985 | 175.00 | 22.38 % |
| 1986 | 200.00 | 14.29 % |
| 1987 | 221.80 | 10.90 % |
| 1988 | 244.37 | 10.18 % |
| 1989 | 273.34 | 11.85 % |
| 1990 | 286.00 | 4.63 % |
| 1991 | 321.00 | 12.24 % |
| 1992 | 349.12 | 8.76 % |
| 1993 | 398.71 | 14.20 % |
| 1994 | 423.42 | 6.20 % |
| 1995 | 438.96 | 3.67 % |
| 1996 | 473.22 | 7.81 % |
| 1997 | 476.75 | 0.75 % |
| 1998 | 485.23 | 1.78 % |
| 1999 | 518.07 | 6.77 % |
| 2000 | 646.26 | 24.74 % |
| 2001 | 866.98 | 34.15 % |
| 2002 | 882.88 | 1.83 % |
| 2003 | 1,058.39 | 19.88 % |
| 2004 | 1,149.86 | 8.64 % |
| 2005 | 1,500.89 | 30.53 % |
| 2006 | 1,596.24 | 6.35 % |
| 2007 | 1,642.15 | 2.88 % |
| 2008 | 2,082.53 | 26.82 % |
| 2009 | 2,213.90 | 6.31 % |
| 2010 | 2,165.87 | -2.17 % |
| 2011 | 2,163.40 | -0.11 % |
|
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