*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	4	1	3	0	0	8
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	2	0	0	2
1976	0	0	0	0	0	0
1977	0	0	0	0	0	0
1978	0	0	0	0	0	0
1979	0	0	0	0	0	0
1980	0	0	0	0	0	0
1981	0	0	1	0	0	1
1982	0	1	0	0	0	1
1983	0	0	1	0	0	1
1984	0	1	0	0	0	1
1985	0	1	0	0	0	1
1986	0	1	1	0	0	2
1987	0	1	2	0	0	3
1988	0	0	2	0	0	2
1989	0	2	2	0	0	4
1990	0	4	0	0	1	5
1991	0	7	4	0	0	11
1992	0	0	3	0	0	3
1993	0	22	1	0	0	23
1994	0	81	3	0	0	84
1995	3	63	6	0	0	72
1996	1	42	2	0	0	45
1997	1	14	5	0	0	20
1998	0	77	1	0	0	78
1999	0	22	3	0	0	25
2000	1	75	4	0	0	80
2001	0	32	4	0	0	36
2002	0	94	7	0	1	102
2003	0	79	2	0	0	81
2004	0	132	1	0	0	133
2005	2	17	6	0	0	25
2006	0	70	7	0	0	77
2007	0	23	5	0	0	28
2008	0	13	7	0	0	20
2009	1	27	20	0	0	48
2010	0	18	13	0	0	31
2011	0	23	26	0	0	49
2012	1	43	18	0	2	64
2013	0	70	22	0	0	92
2014	2	126	12	0	0	140
2015	4	86	30	0	4	124
2016	0	97	30	0	1	128
2017	4	110	35	0	0	149
2018	2	108	37	0	1	148
2019	4	131	65	0	1	201
2020	3	154	44	0	1	202
2021	3	110	37	0	0	150
2022	1	132	29	0	1	163
2023	0	3	7	0	0	10
2024	0	3	2	0	0	5
Total	37	2116	512	0	13	2678