*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	0	0	2	0	0	2
1970	0	0	0	0	0	0
1971	0	0	0	0	0	0
1972	0	0	0	0	0	0
1973	0	0	0	0	0	0
1974	0	0	0	0	0	0
1975	0	0	0	0	0	0
1976	0	0	1	0	0	1
1977	0	0	2	0	0	2
1978	0	0	1	0	0	1
1979	0	0	1	0	0	1
1980	0	0	0	0	0	0
1981	0	0	1	0	0	1
1982	0	0	1	0	0	1
1983	0	0	0	0	0	0
1984	0	0	0	0	0	0
1985	0	0	4	0	0	4
1986	0	2	3	0	0	5
1987	0	1	7	0	0	8
1988	0	3	8	0	0	11
1989	0	1	8	0	0	9
1990	0	13	1	0	0	14
1991	1	8	4	0	0	13
1992	1	50	6	0	0	57
1993	0	79	8	0	0	87
1994	2	76	14	0	0	92
1995	0	66	11	0	0	77
1996	0	69	5	0	0	74
1997	1	42	12	0	0	55
1998	0	91	8	0	0	99
1999	0	26	7	0	0	33
2000	1	66	10	0	0	77
2001	0	53	13	0	0	66
2002	0	67	11	0	0	78
2003	1	64	13	0	0	78
2004	2	93	13	0	0	108
2005	1	78	11	0	0	90
2006	1	66	15	0	0	82
2007	0	67	36	0	0	103
2008	0	57	25	0	0	82
2009	1	16	25	0	0	42
2010	0	20	57	0	0	77
2011	0	4	54	0	0	58
2012	0	1	24	0	0	25
2013	0	16	7	0	0	23
2014	0	16	5	0	0	21
2015	0	2	10	0	0	12
2016	0	3	4	0	0	7
2017	0	3	2	0	0	5
2018	0	0	0	0	0	0
2019	0	11	1	0	0	12
2020	0	1	0	0	0	1
2021	0	1	0	0	0	1
Total	12	1232	451	0	0	1695