|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | 3.34 | NA |
| 1987 | 3.71 | 10.82 % |
| 1988 | 4.24 | 14.33 % |
| 1989 | 3.98 | -6.09 % |
| 1990 | 4.70 | 18.21 % |
| 1991 | 5.69 | 21.01 % |
| 1992 | 5.14 | -9.68 % |
| 1993 | 5.17 | 0.68 % |
| 1994 | 6.63 | 28.06 % |
| 1995 | 6.12 | -7.66 % |
| 1996 | 5.26 | -14.00 % |
| 1997 | 7.46 | 41.86 % |
| 1998 | 7.81 | 4.66 % |
| 1999 | 8.40 | 7.59 % |
| 2000 | 8.28 | -1.49 % |
| 2001 | 7.98 | -3.68 % |
| 2002 | 7.40 | -7.18 % |
| 2003 | 6.68 | -9.77 % |
| 2004 | 1.80 | -73.03 % |
| 2005 | | NA |
| 2006 | | NA |
| 2007 | | NA |
| 2008 | | NA |
| 2009 | | NA |
| 2010 | | NA |
|
|