*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	0	2	2	0	0	4
1970	0	0	1	0	0	1
1971	0	0	0	0	0	0
1972	0	0	0	0	0	0
1973	0	0	1	0	0	1
1974	0	0	2	0	0	2
1975	0	0	0	0	0	0
1976	0	0	0	0	0	0
1977	0	1	0	0	0	1
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	0	0	0	0
1983	0	1	1	0	0	2
1984	0	0	1	0	0	1
1985	0	1	1	0	0	2
1986	0	0	6	0	0	6
1987	0	0	6	0	0	6
1988	1	1	2	0	0	4
1989	0	2	1	0	0	3
1990	0	1	1	0	0	2
1991	1	0	2	0	0	3
1992	1	3	5	0	0	9
1993	2	3	3	0	0	8
1994	5	6	13	0	0	24
1995	1	3	5	0	0	9
1996	1	8	3	0	0	12
1997	1	1	1	0	0	3
1998	0	7	3	0	0	10
1999	1	10	5	0	0	16
2000	4	8	2	0	0	14
2001	2	3	6	0	0	11
2002	1	0	6	0	0	7
2003	2	5	7	0	0	14
2004	2	15	4	0	0	21
2005	1	5	9	0	0	15
2006	0	9	9	0	0	18
2007	4	22	14	0	0	40
2008	1	3	13	0	0	17
2009	4	6	25	0	0	35
2010	4	9	30	0	0	43
2011	3	11	29	0	0	43
2012	8	36	33	0	0	77
2013	14	48	39	0	0	101
2014	3	68	75	0	0	146
2015	7	62	98	0	3	170
2016	12	129	121	0	9	271
2017	15	127	174	0	1	317
2018	9	116	131	0	0	256
2019	8	99	134	0	3	244
2020	9	132	174	0	2	317
2021	9	120	171	0	1	301
2022	8	127	133	0	1	269
2023	1	0	6	0	0	7
2024	0	1	0	0	0	1
Total	145	1211	1508	0	20	2884