*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	0	0	0	0
1974	0	0	0	0	0	0
1975	0	1	0	0	0	1
1976	0	0	1	0	0	1
1977	0	1	0	0	0	1
1978	0	0	1	0	0	1
1979	0	1	0	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	0	0	0	0
1985	0	1	0	0	0	1
1986	0	0	1	0	0	1
1987	0	0	1	0	0	1
1988	0	0	0	0	0	0
1989	0	0	3	0	0	3
1990	0	1	5	0	0	6
1991	1	0	4	0	0	5
1992	2	1	2	0	0	5
1993	1	0	1	0	0	2
1994	0	3	4	0	0	7
1995	1	4	6	0	0	11
1996	0	1	2	0	0	3
1997	1	0	1	0	0	2
1998	0	1	7	0	0	8
1999	0	1	5	0	0	6
2000	0	1	3	0	0	4
2001	0	1	5	0	0	6
2002	0	1	11	0	0	12
2003	0	4	11	0	0	15
2004	0	3	40	0	0	43
2005	0	8	5	0	0	13
2006	4	4	22	0	0	30
2007	0	5	24	0	0	29
2008	0	5	8	0	0	13
2009	0	2	6	0	0	8
2010	1	4	36	0	0	41
2011	0	1	8	0	0	9
2012	0	19	13	0	0	32
2013	1	33	19	0	0	53
2014	0	30	32	0	0	62
2015	0	41	40	0	0	81
2016	0	48	30	0	0	78
2017	0	47	47	0	0	94
2018	2	51	51	0	0	104
2019	1	73	63	0	0	137
2020	2	94	70	0	0	166
2021	1	90	100	0	0	191
2022	0	94	44	0	0	138
2023	0	1	6	0	0	7
2024	0	0	0	0	0	0
Total	18	676	738	0	0	1432