*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	0	0	0	0
1973	1	0	0	0	0	1
1974	0	0	0	0	0	0
1975	0	0	0	0	0	0
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	0	0	1	1
1982	0	0	0	0	0	0
1983	0	0	0	0	0	0
1984	0	1	4	0	0	5
1985	0	2	0	0	0	2
1986	0	4	0	0	0	4
1987	0	3	1	0	3	7
1988	2	1	2	0	0	5
1989	0	9	0	0	0	9
1990	7	1	6	0	1	15
1991	11	42	4	0	1	58
1992	11	15	72	0	1	99
1993	11	6	8	0	0	25
1994	8	7	18	0	6	39
1995	8	32	8	0	0	48
1996	0	6	3	0	0	9
1997	6	3	2	0	1	12
1998	0	8	3	0	2	13
1999	0	2	1	0	0	3
2000	0	2	0	0	0	2
2001	2	1	0	0	1	4
2002	2	1	3	0	0	6
2003	0	0	4	0	1	5
2004	3	0	1	0	0	4
2005	1	0	8	0	1	10
2006	0	0	1	0	2	3
2007	2	1	6	0	1	10
2008	1	0	0	0	0	1
2009	1	1	1	0	1	4
2010	3	3	3	0	1	10
2011	2	0	1	0	0	3
2012	2	3	5	0	1	11
2013	0	1	5	0	0	6
2014	1	9	0	0	2	12
2015	2	3	5	0	0	10
2016	2	0	14	0	0	16
2017	0	2	8	0	0	10
2018	0	2	6	0	1	9
2019	0	2	3	0	0	5
2020	0	0	9	0	0	9
2021	0	0	9	0	0	9
2022	0	0	8	0	1	9
2023	0	0	0	0	0	0
2024	0	0	0	0	0	0
Total	89	173	234	0	29	525