*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	0	0	0	0	1	1
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	1	1
1975	0	0	0	0	0	0
1976	0	0	0	0	1	1
1977	0	0	0	0	1	1
1978	0	0	0	0	0	0
1979	0	0	0	0	0	0
1980	0	0	1	0	0	1
1981	0	0	0	0	0	0
1982	0	0	1	0	1	2
1983	0	0	0	0	0	0
1984	0	0	1	0	0	1
1985	0	1	0	0	0	1
1986	0	0	0	0	0	0
1987	1	0	2	0	1	4
1988	0	0	1	0	1	2
1989	0	0	0	1	0	1
1990	0	0	1	0	0	1
1991	0	0	1	0	0	1
1992	0	1	1	0	0	2
1993	0	1	0	0	0	1
1994	0	6	0	0	0	6
1995	0	4	2	0	1	7
1996	0	3	0	0	0	3
1997	0	0	2	0	0	2
1998	0	4	0	0	1	5
1999	0	1	1	0	1	3
2000	0	3	4	0	0	7
2001	1	4	3	0	2	10
2002	0	18	5	0	2	25
2003	0	11	8	0	0	19
2004	0	9	9	0	2	20
2005	1	6	3	0	3	13
2006	0	4	4	0	4	12
2007	0	11	6	0	7	24
2008	0	4	5	0	2	11
2009	1	4	12	0	1	18
2010	0	6	10	0	0	16
2011	0	6	7	0	3	16
2012	0	11	7	0	6	24
2013	1	23	23	0	7	54
2014	0	27	17	0	7	51
2015	0	33	25	0	13	71
2016	3	29	25	0	6	63
2017	0	39	38	0	11	88
2018	0	34	36	0	10	80
2019	0	28	33	0	7	68
2020	0	41	46	0	10	97
2021	0	21	41	0	12	74
2022	0	26	28	0	7	61
2023	0	0	2	0	1	3
2024	0	0	0	0	0	0
Total	8	419	411	1	133	972