|
| year | production | change |
| 1984 | | NA |
| 1985 | | NA |
| 1986 | .19 | NA |
| 1987 | .15 | -23.29 % |
| 1988 | .11 | -28.88 % |
| 1989 | .14 | 30.09 % |
| 1990 | .25 | 78.98 % |
| 1991 | .32 | 28.57 % |
| 1992 | .39 | 22.83 % |
| 1993 | .15 | -61.70 % |
| 1994 | .09 | -41.93 % |
| 1995 | .15 | 74.79 % |
| 1996 | .15 | -2.55 % |
| 1997 | .35 | 133.76 % |
| 1998 | .41 | 18.58 % |
| 1999 | .28 | -31.27 % |
| 2000 | .31 | 10.61 % |
| 2001 | .28 | -10.25 % |
| 2002 | .32 | 12.63 % |
| 2003 | .19 | -41.13 % |
| 2004 | .19 | 0.24 % |
| 2005 | .28 | 51.79 % |
| 2006 | .35 | 22.71 % |
| 2007 | .38 | 10.14 % |
| 2008 | .35 | -8.33 % |
| 2009 | .37 | 6.47 % |
| 2010 | .53 | 43.46 % |
|
|
