*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	0	0	9	0	0	9
1970	0	0	0	0	0	0
1971	0	0	0	0	0	0
1972	0	0	2	0	0	2
1973	0	0	0	0	0	0
1974	0	0	1	0	0	1
1975	0	0	1	0	0	1
1976	0	0	1	0	0	1
1977	0	0	3	0	0	3
1978	0	0	1	0	0	1
1979	0	0	0	0	0	0
1980	0	1	1	0	0	2
1981	0	1	4	0	0	5
1982	1	0	0	0	0	1
1983	0	0	0	0	0	0
1984	0	0	0	0	0	0
1985	1	0	2	0	0	3
1986	0	0	0	0	0	0
1987	0	1	3	0	0	4
1988	0	0	2	0	0	2
1989	0	0	4	0	0	4
1990	2	0	4	0	0	6
1991	3	2	3	0	0	8
1992	6	0	5	0	0	11
1993	2	0	6	0	0	8
1994	1	3	9	0	0	13
1995	3	0	7	0	0	10
1996	1	0	4	0	0	5
1997	1	0	8	0	0	9
1998	0	0	6	0	0	6
1999	1	0	8	0	0	9
2000	1	0	9	0	0	10
2001	2	1	6	0	0	9
2002	1	0	12	0	0	13
2003	1	6	22	0	0	29
2004	1	0	17	0	0	18
2005	0	0	24	0	0	24
2006	1	0	8	0	0	9
2007	0	2	21	0	0	23
2008	0	0	29	0	0	29
2009	4	1	39	0	0	44
2010	2	0	39	0	0	41
2011	4	2	32	0	0	38
2012	4	2	52	0	0	58
2013	2	0	48	0	0	50
2014	0	0	52	0	0	52
2015	1	0	86	0	0	87
2016	1	0	100	0	0	101
2017	3	1	113	0	0	117
2018	0	0	104	0	0	104
2019	3	1	114	0	0	118
2020	1	1	98	0	0	100
2021	1	1	107	0	0	109
2022	0	1	109	0	1	111
2023	0	0	8	0	0	8
2024	0	0	14	0	0	14
Total	55	27	1357	0	1	1440