*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	0	0	1	0	0	1
1970	0	0	0	0	0	0
1971	0	0	0	0	0	0
1972	0	0	1	0	0	1
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	0	0	0	0
1981	0	0	0	0	0	0
1982	0	0	0	0	0	0
1983	0	0	0	0	0	0
1984	0	0	1	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	1	0	0	1
1990	0	1	0	0	0	1
1991	0	1	1	0	0	2
1992	0	0	1	0	0	1
1993	0	1	0	0	0	1
1994	0	2	1	0	0	3
1995	0	1	1	0	0	2
1996	0	7	0	0	0	7
1997	0	14	1	0	0	15
1998	0	0	0	0	0	0
1999	0	1	3	0	0	4
2000	0	0	2	0	0	2
2001	0	1	3	0	0	4
2002	0	0	4	0	0	4
2003	0	0	4	0	0	4
2004	0	0	2	0	0	2
2005	0	11	3	0	0	14
2006	0	3	2	0	0	5
2007	0	2	5	0	0	7
2008	0	1	7	0	0	8
2009	0	0	4	0	0	4
2010	0	1	6	0	0	7
2011	0	0	8	0	0	8
2012	0	3	4	0	0	7
2013	0	6	3	0	0	9
2014	0	3	11	0	0	14
2015	0	4	7	0	0	11
2016	0	4	12	0	0	16
2017	0	3	18	0	0	21
2018	0	1	15	0	0	16
2019	0	3	16	0	0	19
2020	0	3	13	0	0	16
2021	0	2	25	0	0	27
2022	0	2	29	0	0	31
2023	1	11	22	0	0	34
2024	0	6	17	0	0	23
2025	0	0	3	0	0	3
2026	0	0	0	0	0	0
Total	1	98	258	0	0	357