*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	9	3	10	0	0	22
1970	1	0	0	0	0	1
1971	1	0	3	0	0	4
1972	1	0	1	0	0	2
1973	0	0	3	0	0	3
1974	0	0	4	0	0	4
1975	0	1	2	0	0	3
1976	0	0	1	0	0	1
1977	0	0	4	0	0	4
1978	0	0	0	0	0	0
1979	0	0	4	0	0	4
1980	0	0	3	0	0	3
1981	1	2	2	0	0	5
1982	1	0	1	0	0	2
1983	0	0	4	0	0	4
1984	0	0	1	0	0	1
1985	0	0	4	0	0	4
1986	1	0	3	0	0	4
1987	2	0	8	0	0	10
1988	2	0	5	0	0	7
1989	1	2	9	0	0	12
1990	0	0	8	0	0	8
1991	1	3	16	0	0	20
1992	0	0	12	0	0	12
1993	3	1	10	0	0	14
1994	3	2	21	0	0	26
1995	7	4	31	0	0	42
1996	10	6	26	0	0	42
1997	2	2	19	0	0	23
1998	0	4	22	0	0	26
1999	2	0	12	0	0	14
2000	2	2	21	0	0	25
2001	3	2	15	0	0	20
2002	5	0	34	0	0	39
2003	2	11	33	0	0	46
2004	4	2	44	0	0	50
2005	3	4	31	0	0	38
2006	0	1	26	0	0	27
2007	0	0	25	0	0	25
2008	0	0	39	0	0	39
2009	14	1	42	0	0	57
2010	12	2	34	0	0	48
2011	3	0	38	0	0	41
2012	0	1	40	0	0	41
2013	4	2	52	0	0	58
2014	1	2	55	0	0	58
2015	2	1	60	0	0	63
2016	5	1	62	0	0	68
2017	6	3	55	0	0	64
2018	2	2	57	0	0	61
2019	2	1	61	0	0	64
2020	0	0	50	0	0	50
2021	3	1	92	0	0	96
2022	1	1	78	0	0	80
2023	2	1	89	0	0	92
2024	1	1	82	0	0	84
2025	0	1	5	0	0	6
Total	125	73	1469	0	0	1667