*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	1	1	15	0	0	17
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	5	0	0	0	5
1975	2	3	1	0	0	6
1976	0	1	6	0	0	7
1977	1	14	14	0	0	29
1978	7	1	24	0	0	32
1979	7	40	33	0	0	80
1980	6	9	21	0	0	36
1981	11	6	16	0	0	33
1982	3	3	15	0	0	21
1983	56	29	30	0	0	115
1984	126	22	52	0	0	200
1985	5	7	12	0	0	24
1986	0	3	11	0	0	14
1987	18	13	14	0	0	45
1988	52	41	26	0	0	119
1989	1	2	8	0	0	11
1990	1	2	8	0	0	11
1991	1	14	66	0	0	81
1992	1	33	20	0	0	54
1993	32	28	65	0	0	125
1994	4	53	60	0	0	117
1995	4	6	13	0	0	23
1996	14	32	61	0	0	107
1997	7	84	62	0	0	153
1998	14	128	241	0	0	383
1999	46	138	105	0	0	289
2000	75	80	62	0	0	217
2001	6	37	20	0	0	63
2002	15	49	33	0	0	97
2003	39	16	37	0	0	92
2004	1	7	33	0	0	41
2005	2	12	17	0	0	31
2006	13	23	16	0	0	52
2007	8	13	15	0	0	36
2008	26	30	21	0	0	77
2009	19	31	28	0	0	78
2010	27	43	29	0	0	99
2011	36	77	23	0	0	136
2012	6	58	20	0	0	84
2013	5	23	15	0	0	43
2014	3	23	16	0	0	42
2015	8	79	27	0	0	114
2016	6	32	49	0	0	87
2017	9	55	42	0	0	106
2018	8	36	37	0	0	81
2019	6	58	25	0	0	89
2020	8	54	34	0	0	96
2021	10	76	33	0	0	119
2022	10	84	49	0	0	143
2023	11	113	47	0	0	171
2024	28	124	56	0	0	208
2025	5	20	7	0	0	32
2026	0	0	0	0	0	0
Total	810	1971	1790	0	0	4571