*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	0	1	4	0	0	5
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	1	0	0	1
1976	0	0	1	0	0	1
1977	0	0	0	0	0	0
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	0	0	0	0
1983	0	0	0	0	0	0
1984	1	0	0	0	0	1
1985	0	0	0	0	0	0
1986	0	0	0	0	0	0
1987	0	0	0	0	0	0
1988	0	0	0	0	0	0
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	0	0	0	0	0
1995	0	1	0	0	0	1
1996	0	0	0	0	0	0
1997	0	0	0	0	0	0
1998	1	2	0	0	0	3
1999	0	0	0	0	0	0
2000	0	0	0	0	0	0
2001	0	0	0	0	0	0
2002	1	1	2	0	0	4
2003	0	0	1	0	0	1
2004	0	1	0	0	0	1
2005	0	3	1	0	0	4
2006	0	0	0	0	0	0
2007	0	4	1	0	0	5
2008	0	3	0	0	0	3
2009	0	1	1	0	0	2
2010	0	1	3	0	0	4
2011	0	1	2	0	0	3
2012	0	2	1	0	0	3
2013	0	5	1	0	0	6
2014	0	9	2	0	0	11
2015	1	11	8	0	0	20
2016	0	15	7	0	0	22
2017	0	10	7	0	0	17
2018	0	10	11	0	0	21
2019	0	10	6	0	0	16
2020	1	8	5	0	0	14
2021	0	13	8	0	0	21
2022	1	13	11	0	0	25
2023	1	0	0	0	0	1
2024	0	0	0	0	0	0
Total	7	125	85	0	0	217