*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	1	0	0	1
1974	0	0	0	0	0	0
1975	0	0	0	0	0	0
1976	0	0	0	0	0	0
1977	0	0	0	0	0	0
1978	0	0	0	0	0	0
1979	0	0	0	0	0	0
1980	0	0	0	0	0	0
1981	0	0	0	0	0	0
1982	0	0	1	0	0	1
1983	0	0	0	0	0	0
1984	0	0	2	0	0	2
1985	1	0	0	0	0	1
1986	0	3	2	0	0	5
1987	0	2	2	0	0	4
1988	0	0	2	0	0	2
1989	0	6	2	0	0	8
1990	0	4	1	0	0	5
1991	2	2	5	0	0	9
1992	0	7	1	0	0	8
1993	0	28	4	0	0	32
1994	1	76	13	0	0	90
1995	0	19	2	0	0	21
1996	1	31	6	0	0	38
1997	0	51	3	0	0	54
1998	1	39	2	0	0	42
1999	0	16	1	0	0	17
2000	0	54	6	0	0	60
2001	1	12	3	0	0	16
2002	2	60	8	0	0	70
2003	0	36	4	0	0	40
2004	0	71	6	0	0	77
2005	0	20	3	0	0	23
2006	0	35	4	0	0	39
2007	0	30	17	0	0	47
2008	2	59	13	0	0	74
2009	1	14	24	0	0	39
2010	1	20	20	0	0	41
2011	1	9	25	0	0	35
2012	4	49	18	0	0	71
2013	5	59	42	0	0	106
2014	5	60	48	0	0	113
2015	5	96	34	0	0	135
2016	2	84	55	0	0	141
2017	4	108	79	0	0	191
2018	7	124	90	0	0	221
2019	8	167	129	0	0	304
2020	8	214	135	0	0	357
2021	4	157	146	0	0	307
2022	8	191	135	0	0	334
2023	0	2	3	0	0	5
2024	0	0	0	0	0	0
Total	74	2015	1098	0	0	3187