*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	1	2	12	0	0	15
1970	0	0	0	0	0	0
1971	0	0	2	0	0	2
1972	0	0	0	0	0	0
1973	0	0	2	0	0	2
1974	0	0	3	0	0	3
1975	0	0	3	0	0	3
1976	0	0	1	0	0	1
1977	0	0	10	0	0	10
1978	1	0	1	0	0	2
1979	1	0	6	0	0	7
1980	0	0	5	0	0	5
1981	0	0	8	0	0	8
1982	1	0	3	0	0	4
1983	0	1	5	0	0	6
1984	0	0	7	0	0	7
1985	1	0	5	0	0	6
1986	0	2	7	0	0	9
1987	3	1	13	0	0	17
1988	2	0	17	0	0	19
1989	0	2	17	0	0	19
1990	3	5	19	0	0	27
1991	9	4	34	0	0	47
1992	5	2	31	0	0	38
1993	4	6	31	0	0	41
1994	6	12	44	0	0	62
1995	4	7	45	0	0	56
1996	6	16	43	0	0	65
1997	3	17	59	0	0	79
1998	3	7	33	0	0	43
1999	1	7	39	0	0	47
2000	5	4	108	0	0	117
2001	4	1	120	0	0	125
2002	0	0	119	0	0	119
2003	5	1	123	0	1	130
2004	1	4	58	0	0	63
2005	3	6	87	0	0	96
2006	5	4	68	0	0	77
2007	1	0	81	0	0	82
2008	1	1	86	0	0	88
2009	3	1	121	0	0	125
2010	3	0	138	0	0	141
2011	2	1	152	0	0	155
2012	8	2	164	0	0	174
2013	8	1	223	0	0	232
2014	22	1	198	0	0	221
2015	24	3	262	0	0	289
2016	11	0	288	0	0	299
2017	17	5	376	0	0	398
2018	12	12	421	0	0	445
2019	10	3	448	0	0	461
2020	4	0	481	0	0	485
2021	5	5	469	0	0	479
2022	3	2	466	0	0	471
2023	0	1	11	0	0	12
2024	0	4	19	0	0	23
Total	211	153	5592	0	1	5957