|
| year | production | change |
| 1984 | 28.81 | NA |
| 1985 | 30.12 | 4.52 % |
| 1986 | 27.71 | -8.00 % |
| 1987 | 33.31 | 20.22 % |
| 1988 | 31.29 | -6.07 % |
| 1989 | 38.41 | 22.75 % |
| 1990 | 73.34 | 90.96 % |
| 1991 | 61.19 | -16.56 % |
| 1992 | 74.85 | 22.31 % |
| 1993 | 74.82 | -0.03 % |
| 1994 | 72.99 | -2.45 % |
| 1995 | 64.22 | -12.02 % |
| 1996 | 71.48 | 11.30 % |
| 1997 | 78.99 | 10.51 % |
| 1998 | 74.41 | -5.81 % |
| 1999 | 74.10 | -0.41 % |
| 2000 | 78.17 | 5.49 % |
| 2001 | 76.10 | -2.66 % |
| 2002 | 67.60 | -11.16 % |
| 2003 | 82.09 | 21.43 % |
| 2004 | 75.31 | -8.26 % |
| 2005 | 88.64 | 17.71 % |
| 2006 | 95.73 | 8.00 % |
| 2007 | 91.26 | -4.67 % |
| 2008 | 68.85 | -24.56 % |
| 2009 | 82.56 | 19.91 % |
| 2010 | 77.12 | -6.59 % |
|
|