*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	0	3	3	0	0	6
1970	0	0	1	0	0	1
1971	0	2	0	0	0	2
1972	0	0	0	0	0	0
1973	1	1	3	0	0	5
1974	1	0	1	0	0	2
1975	0	4	0	0	0	4
1976	0	0	1	0	0	1
1977	0	0	9	0	0	9
1978	0	1	1	0	0	2
1979	1	4	4	0	0	9
1980	0	6	3	0	0	9
1981	0	1	2	0	0	3
1982	0	1	3	0	0	4
1983	0	1	3	0	0	4
1984	0	0	1	0	0	1
1985	0	0	3	0	0	3
1986	1	2	2	0	0	5
1987	2	3	2	0	0	7
1988	2	7	8	0	0	17
1989	0	5	9	0	0	14
1990	2	10	14	0	0	26
1991	7	8	14	0	0	29
1992	0	3	10	0	0	13
1993	0	10	15	0	0	25
1994	1	19	18	0	0	38
1995	4	22	30	0	0	56
1996	7	30	15	0	0	52
1997	1	83	19	0	0	103
1998	1	55	20	0	0	76
1999	6	25	17	0	0	48
2000	2	30	74	0	0	106
2001	5	40	74	0	0	119
2002	2	48	100	0	0	150
2003	3	61	72	0	0	136
2004	2	40	70	0	0	112
2005	1	56	81	0	0	138
2006	3	41	50	0	0	94
2007	2	79	55	0	0	136
2008	1	41	97	0	0	139
2009	0	46	66	0	0	112
2010	0	68	88	0	0	156
2011	0	77	129	0	0	206
2012	1	98	77	0	0	176
2013	1	115	58	0	0	174
2014	0	135	28	0	0	163
2015	1	141	58	0	0	200
2016	2	200	64	0	0	266
2017	1	257	63	0	0	321
2018	2	203	63	0	0	268
2019	3	245	62	0	0	310
2020	1	245	68	0	0	314
2021	0	304	77	0	0	381
2022	1	331	125	0	0	457
2023	1	330	66	0	0	397
2024	4	279	70	0	0	353
2025	0	0	11	0	0	11
Total	76	3816	2077	0	0	5969