*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	0	3	1	0	0	4
1970	0	0	0	0	0	0
1971	0	0	0	0	0	0
1972	0	1	0	0	0	1
1973	0	0	0	0	0	0
1974	0	2	1	0	0	3
1975	0	0	1	0	0	1
1976	0	0	0	0	0	0
1977	0	1	0	0	0	1
1978	0	1	0	0	0	1
1979	0	0	1	0	0	1
1980	0	0	0	0	0	0
1981	0	0	0	0	0	0
1982	0	1	1	0	0	2
1983	0	0	0	0	0	0
1984	0	2	0	0	0	2
1985	0	2	3	0	0	5
1986	0	2	8	0	0	10
1987	0	5	5	0	0	10
1988	0	0	7	0	0	7
1989	0	2	9	0	0	11
1990	0	14	6	0	0	20
1991	3	4	7	0	0	14
1992	2	21	4	0	0	27
1993	1	36	8	0	0	45
1994	0	76	15	0	0	91
1995	4	33	8	0	0	45
1996	2	55	6	0	0	63
1997	4	22	8	0	0	34
1998	1	49	3	0	0	53
1999	1	11	4	0	0	16
2000	1	40	11	0	0	52
2001	2	52	17	0	0	71
2002	1	35	10	0	0	46
2003	2	51	19	0	0	72
2004	1	72	128	0	0	201
2005	0	22	23	0	0	45
2006	13	21	42	0	0	76
2007	0	71	41	0	0	112
2008	0	39	38	0	0	77
2009	1	16	47	0	0	64
2010	3	35	80	0	0	118
2011	2	11	48	0	0	61
2012	1	90	40	0	0	131
2013	5	109	51	0	0	165
2014	3	158	58	0	0	219
2015	5	201	99	0	0	305
2016	5	215	88	0	0	308
2017	1	216	103	0	0	320
2018	5	227	128	0	0	360
2019	3	344	156	0	0	503
2020	0	501	180	0	0	681
2021	2	433	205	0	0	640
2022	3	422	130	0	0	555
2023	0	0	11	0	0	11
2024	0	0	0	0	0	0
Total	77	3724	1859	0	0	5660