*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	1	0	0	1
1974	0	0	1	0	0	1
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	2	0	0	2
1980	0	0	0	0	0	0
1981	0	0	2	0	0	2
1982	0	0	2	0	0	2
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	1	0	0	1
1988	0	0	1	0	0	1
1989	0	0	1	0	0	1
1990	0	0	0	0	0	0
1991	0	0	0	0	0	0
1992	0	0	3	0	0	3
1993	0	0	1	0	0	1
1994	0	0	5	0	0	5
1995	0	0	10	0	0	10
1996	0	0	4	0	0	4
1997	0	0	11	0	0	11
1998	0	0	2	0	0	2
1999	0	0	6	0	0	6
2000	0	0	3	0	0	3
2001	0	0	8	0	0	8
2002	0	0	18	0	0	18
2003	0	0	5	0	0	5
2004	0	0	9	0	0	9
2005	0	0	5	0	0	5
2006	0	0	3	0	0	3
2007	0	0	9	0	0	9
2008	0	0	17	0	0	17
2009	0	0	6	0	0	6
2010	0	0	9	0	0	9
2011	0	0	25	0	0	25
2012	0	0	8	0	0	8
2013	0	0	13	0	0	13
2014	0	0	23	0	0	23
2015	0	0	16	0	0	16
2016	0	0	24	0	0	24
2017	0	0	36	0	0	36
2018	0	0	35	0	0	35
2019	0	0	36	0	0	36
2020	0	0	55	0	0	55
2021	0	0	49	0	0	49
2022	0	0	37	0	0	37
2023	0	0	1	0	0	1
2024	0	0	0	0	0	0
Total	0	0	506	0	0	506