Year Per 100,000 People 1987 1.6978 1988 1.5565 1989 1.083 1992 0.8664 1993 1.7551 1994 0.9882 1995 2.1134 1996 2.4315 1997 3.0627 1998 3.4343 1999 2.8834 2000 1.0983 2001 2.303 2002 2.7709 2003 3.3059 2004 3.5428 2007 3.041 2008 3.9165 2010 2.2785