*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	2	0	5	0	0	7
1970	0	0	0	0	0	0
1971	0	0	0	0	0	0
1972	0	0	0	0	0	0
1973	0	0	1	0	0	1
1974	0	0	0	0	0	0
1975	0	0	0	0	0	0
1976	0	0	0	0	0	0
1977	0	0	0	0	0	0
1978	0	0	3	0	0	3
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	1	0	0	1
1986	0	0	2	0	0	2
1987	0	0	4	0	0	4
1988	0	0	1	0	0	1
1989	0	0	5	0	0	5
1990	0	0	5	0	0	5
1991	0	0	4	0	0	4
1992	0	0	4	0	0	4
1993	0	0	7	0	0	7
1994	0	1	7	0	0	8
1995	0	0	5	0	0	5
1996	0	0	9	0	0	9
1997	0	0	6	0	0	6
1998	0	0	5	0	0	5
1999	0	0	3	0	0	3
2000	0	1	6	0	0	7
2001	0	0	5	0	0	5
2002	0	0	11	0	0	11
2003	0	1	4	0	0	5
2004	2	1	11	0	0	14
2005	0	0	8	0	0	8
2006	1	0	4	0	0	5
2007	0	0	9	0	0	9
2008	0	0	10	0	0	10
2009	0	1	8	0	0	9
2010	0	0	6	0	0	6
2011	4	0	14	0	0	18
2012	3	1	10	0	0	14
2013	2	2	16	0	0	20
2014	3	1	21	0	0	25
2015	7	3	17	0	0	27
2016	13	4	32	0	0	49
2017	28	1	37	0	0	66
2018	13	5	41	0	0	59
2019	0	1	33	0	0	34
2020	2	4	38	0	0	44
2021	2	0	46	0	0	48
2022	1	1	27	0	0	29
2023	0	0	0	0	0	0
Total	83	28	494	0	0	605