*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	0	1	1	0	0	2
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	0	0	0	0	0	0
1978	0	0	0	0	0	0
1979	0	0	1	0	0	1
1980	0	0	1	0	0	1
1981	0	1	0	0	0	1
1982	0	0	0	0	0	0
1983	0	0	0	0	0	0
1984	0	0	0	0	0	0
1985	0	0	0	0	0	0
1986	0	0	0	0	0	0
1987	0	0	0	0	0	0
1988	1	0	0	0	0	1
1989	0	0	0	0	0	0
1990	0	0	0	0	0	0
1991	0	0	0	0	0	0
1992	0	0	0	0	0	0
1993	0	0	0	0	0	0
1994	0	1	1	0	0	2
1995	0	0	0	0	0	0
1996	0	1	0	0	0	1
1997	0	1	0	0	0	1
1998	0	1	0	0	0	1
1999	0	1	0	0	0	1
2000	0	1	1	0	0	2
2001	0	1	2	0	0	3
2002	0	1	4	0	0	5
2003	0	1	2	0	0	3
2004	0	1	0	0	0	1
2005	0	3	2	0	0	5
2006	0	0	0	0	0	0
2007	0	1	2	0	0	3
2008	0	1	1	0	0	2
2009	0	0	1	0	0	1
2010	0	0	2	0	0	2
2011	0	0	1	0	0	1
2012	0	4	0	0	0	4
2013	0	2	0	0	0	2
2014	0	2	0	0	0	2
2015	0	5	1	0	0	6
2016	0	6	0	0	0	6
2017	0	4	0	0	0	4
2018	1	5	0	0	0	6
2019	0	9	2	0	0	11
2020	1	8	1	0	0	10
2021	1	4	2	0	0	7
2022	0	8	1	0	0	9
2023	0	0	0	0	0	0
2024	0	0	0	0	0	0
Total	4	74	29	0	0	107