|
| year | production | change |
| 1980 | 4,532.70 | NA |
| 1981 | 4,767.50 | 5.18 % |
| 1982 | 4,874.42 | 2.24 % |
| 1983 | 5,723.20 | 17.41 % |
| 1984 | 7,310.53 | 27.73 % |
| 1985 | 9,766.48 | 33.59 % |
| 1986 | 11,731.90 | 20.12 % |
| 1987 | 14,836.01 | 26.46 % |
| 1988 | 16,607.42 | 11.94 % |
| 1989 | 20,207.57 | 21.68 % |
| 1990 | 22,562.11 | 11.65 % |
| 1991 | 22,037.41 | -2.33 % |
| 1992 | 24,146.13 | 9.57 % |
| 1993 | 23,394.35 | -3.11 % |
| 1994 | 24,983.89 | 6.79 % |
| 1995 | 28,373.49 | 13.57 % |
| 1996 | 33,140.99 | 16.80 % |
| 1997 | 35,926.53 | 8.41 % |
| 1998 | 37,204.11 | 3.56 % |
| 1999 | 36,105.11 | -2.95 % |
| 2000 | 42,044.36 | 16.45 % |
| 2001 | 47,885.51 | 13.89 % |
| 2002 | 43,576.57 | -9.00 % |
| 2003 | 55,146.97 | 26.55 % |
| 2004 | 59,186.40 | 7.32 % |
| 2005 | 65,106.73 | 10.00 % |
| 2006 | 72,307.22 | 11.06 % |
| 2007 | 77,053.99 | 6.56 % |
| 2008 | 81,022.09 | 5.15 % |
| 2009 | 80,255.98 | -0.95 % |
| 2010 | 81,956.85 | 2.12 % |
| 2011 | 94,581.63 | 15.40 % |
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