*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	0	0	0	0	0	0
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	0	0	0	0
1977	1	0	3	0	0	4
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	0	1	0	0	1
1983	0	0	0	0	0	0
1984	0	0	0	0	0	0
1985	0	0	3	0	0	3
1986	0	0	1	0	0	1
1987	1	0	4	0	0	5
1988	2	0	7	0	0	9
1989	0	1	9	0	0	10
1990	1	0	6	0	0	7
1991	3	1	8	0	0	12
1992	0	0	13	0	0	13
1993	1	0	5	0	0	6
1994	1	1	14	0	0	16
1995	2	11	18	0	0	31
1996	1	3	9	0	0	13
1997	4	2	19	0	0	25
1998	2	2	16	0	0	20
1999	0	3	17	0	0	20
2000	1	1	15	0	0	17
2001	4	0	19	0	0	23
2002	0	1	20	0	0	21
2003	1	1	33	0	0	35
2004	3	0	22	0	0	25
2005	1	1	18	0	0	20
2006	1	0	20	0	0	21
2007	2	0	39	0	0	41
2008	0	0	41	0	0	41
2009	0	0	29	0	0	29
2010	0	0	36	0	0	36
2011	1	0	40	0	0	41
2012	2	1	58	0	0	61
2013	0	1	81	0	0	82
2014	2	0	71	0	0	73
2015	7	6	90	0	0	103
2016	3	0	114	0	0	117
2017	9	0	80	0	0	89
2018	8	3	186	0	0	197
2019	9	2	162	0	0	173
2020	11	1	235	0	0	247
2021	12	1	248	0	0	261
2022	8	2	267	0	0	277
2023	1	0	0	0	0	1
Total	105	45	2078	0	0	2228