|
| year | production | change |
| 1980 | 627.10 | NA |
| 1981 | 763.57 | 21.76 % |
| 1982 | 659.05 | -13.69 % |
| 1983 | 737.01 | 11.83 % |
| 1984 | 1,686.59 | 128.84 % |
| 1985 | 2,324.39 | 37.82 % |
| 1986 | 3,070.25 | 32.09 % |
| 1987 | 3,550.36 | 15.64 % |
| 1988 | 4,643.45 | 30.79 % |
| 1989 | 9,713.57 | 109.19 % |
| 1990 | 11,628.28 | 19.71 % |
| 1991 | 15,204.18 | 30.75 % |
| 1992 | 24,762.32 | 62.87 % |
| 1993 | 32,401.34 | 30.85 % |
| 1994 | 35,647.21 | 10.02 % |
| 1995 | 45,448.68 | 27.50 % |
| 1996 | 55,358.24 | 21.80 % |
| 1997 | 60,587.72 | 9.45 % |
| 1998 | 68,452.43 | 12.98 % |
| 1999 | 81,405.70 | 18.92 % |
| 2000 | 84,469.02 | 3.76 % |
| 2001 | 103,226.00 | 22.21 % |
| 2002 | 112,629.80 | 9.11 % |
| 2003 | 129,089.50 | 14.61 % |
| 2004 | 158,417.60 | 22.72 % |
| 2005 | 187,989.30 | 18.67 % |
| 2006 | 257,186.90 | 36.81 % |
| 2007 | 274,290.30 | 6.65 % |
| 2008 | 274,217.60 | -0.03 % |
| 2009 | 321,044.90 | 17.08 % |
| 2010 | 358,251.20 | 11.59 % |
| 2011 | 414,799.80 | 15.78 % |
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