Year	Percent
1982	108
1983	311
1984	690
1985	80
1986	31
1987	27
1988	31
1989	15
1990	13
1991	14
1992	10
1993	10
1994	17
1995	14
1996	15
1997	14
1998	13
1999	11
2000	8
2001	6
2002	9
2003	5
2004	4
2005	4