*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	0	2	2	0	0	4
1970	0	0	0	0	0	0
1971	0	1	0	0	0	1
1972	0	0	0	0	0	0
1973	0	0	0	0	0	0
1974	0	1	0	0	0	1
1975	1	26	2	0	0	29
1976	0	0	0	0	0	0
1977	0	0	2	0	0	2
1978	0	0	0	0	0	0
1979	0	2	0	0	0	2
1980	0	1	1	0	0	2
1981	0	0	2	0	0	2
1982	0	1	1	0	0	2
1983	0	0	1	0	0	1
1984	0	0	0	0	0	0
1985	0	0	2	0	0	2
1986	1	0	1	0	0	2
1987	0	2	0	0	0	2
1988	0	2	1	0	0	3
1989	1	3	5	0	0	9
1990	1	5	0	0	0	6
1991	0	5	0	0	0	5
1992	0	2	2	0	0	4
1993	0	2	1	0	0	3
1994	0	18	5	0	0	23
1995	0	56	9	0	0	65
1996	2	22	10	0	0	34
1997	7	96	13	0	0	116
1998	4	44	7	0	0	55
1999	6	29	8	0	0	43
2000	0	89	9	0	0	98
2001	1	151	4	0	0	156
2002	0	176	33	0	0	209
2003	5	179	32	0	0	216
2004	1	278	73	0	0	352
2005	2	219	79	0	0	300
2006	1	197	48	0	0	246
2007	0	396	19	0	0	415
2008	1	266	22	0	0	289
2009	0	137	24	0	0	161
2010	2	256	31	0	0	289
2011	0	470	56	0	0	526
2012	2	596	103	0	0	701
2013	1	182	70	0	0	253
2014	0	97	6	0	0	103
2015	3	132	13	0	0	148
2016	0	172	29	0	0	201
2017	8	315	24	0	0	347
2018	0	193	11	0	0	204
2019	0	221	26	0	0	247
2020	1	157	28	0	0	186
2021	1	115	14	0	0	130
2022	0	101	23	0	0	124
2023	1	175	20	0	0	196
2024	0	120	20	0	0	140
2025	0	0	6	0	0	6
Total	53	5710	898	0	0	6661