|
| year | production | change |
| 1980 | | NA |
| 1981 | | NA |
| 1982 | | NA |
| 1983 | | NA |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 23.60 | NA |
| 1987 | 95.90 | 306.30 % |
| 1988 | 98.11 | 2.30 % |
| 1989 | 119.59 | 21.90 % |
| 1990 | 122.36 | 2.31 % |
| 1991 | 198.27 | 62.05 % |
| 1992 | 193.63 | -2.34 % |
| 1993 | 133.38 | -31.12 % |
| 1994 | 147.71 | 10.74 % |
| 1995 | 123.46 | -16.42 % |
| 1996 | 241.41 | 95.54 % |
| 1997 | 240.30 | -0.46 % |
| 1998 | 347.23 | 44.50 % |
| 1999 | 273.37 | -21.27 % |
| 2000 | 423.29 | 54.84 % |
| 2001 | 601.86 | 42.19 % |
| 2002 | 389.12 | -35.35 % |
| 2003 | 192.90 | -50.42 % |
| 2004 | 428.99 | 122.39 % |
| 2005 | 870.12 | 102.83 % |
| 2006 | 1,016.11 | 16.78 % |
| 2007 | 1,161.70 | 14.33 % |
| 2008 | 1,382.30 | 18.99 % |
| 2009 | 2,356.74 | 70.49 % |
| 2010 | 2,642.24 | 12.11 % |
| 2011 | 3,132.77 | 18.56 % |
|
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