1987 quantity-100

1988 quantity-150

1989 quantity-150

1990 quantity-250

1991 quantity-250

1992 quantity-275

1993 quantity-400

1994 quantity-513

1995 quantity- 871

1996 quantity-435

1997 quantity-653

1998 quantity-667

1999 quantity-585

2000 quantity-562

2001 quantity-

2002 quantity-582

 
2003 quantity - 525

 
2004 quantity - 540

 
2005 quantity - 539

2006 quantity - 489 

 
2007 quantity - 472

 
2008 quantity - 472

  
2009 quantity - 403