*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	0	0	0	0	0	0
1974	0	0	1	0	0	1
1975	0	0	3	0	0	3
1976	0	0	2	0	0	2
1977	0	0	2	0	0	2
1978	0	0	0	0	0	0
1979	0	0	2	0	0	2
1980	0	1	0	0	0	1
1981	0	0	1	0	0	1
1982	0	0	1	0	0	1
1983	0	0	0	0	0	0
1984	0	0	0	0	0	0
1985	0	0	1	0	0	1
1986	0	2	2	0	0	4
1987	0	1	3	0	0	4
1988	0	0	0	0	0	0
1989	1	2	7	0	0	10
1990	0	3	1	0	0	4
1991	2	6	2	0	0	10
1992	0	6	3	0	0	9
1993	5	19	2	0	0	26
1994	0	59	6	0	0	65
1995	2	54	3	0	0	59
1996	0	43	0	0	0	43
1997	1	17	4	0	0	22
1998	1	42	1	0	0	44
1999	0	1	1	0	0	2
2000	0	63	5	0	0	68
2001	1	65	2	0	0	68
2002	0	62	4	0	0	66
2003	1	55	12	0	0	68
2004	2	52	11	0	0	65
2005	1	6	8	0	0	15
2006	2	48	19	0	0	69
2007	2	36	13	0	0	51
2008	0	1	13	0	0	14
2009	1	3	9	0	0	13
2010	1	20	18	0	0	39
2011	3	13	16	0	0	32
2012	4	18	17	0	0	39
2013	5	35	41	0	0	81
2014	7	44	31	0	0	82
2015	5	42	53	0	0	100
2016	5	80	71	0	0	156
2017	8	95	61	0	0	164
2018	5	71	39	0	0	115
2019	8	59	48	0	0	115
2020	9	94	71	0	0	174
2021	2	92	63	0	0	157
2022	5	72	64	0	0	141
2023	1	1	3	0	0	5
2024	0	0	2	0	0	2
Total	90	1383	743	0	0	2216