*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	1	2	6	0	0	9
1970	0	0	3	0	0	3
1971	0	0	0	0	0	0
1972	0	0	0	0	0	0
1973	0	0	0	0	0	0
1974	0	0	1	0	0	1
1975	0	2	0	0	0	2
1976	0	0	3	0	0	3
1977	0	2	5	0	0	7
1978	0	0	5	0	0	5
1979	0	3	5	0	0	8
1980	1	3	6	0	0	10
1981	0	0	3	0	0	3
1982	0	0	2	0	0	2
1983	2	0	3	0	0	5
1984	0	0	2	0	0	2
1985	0	1	3	0	0	4
1986	0	2	3	0	0	5
1987	0	2	5	0	0	7
1988	0	8	3	0	0	11
1989	1	7	7	0	0	15
1990	0	20	14	0	0	34
1991	5	12	6	0	0	23
1992	0	8	7	0	0	15
1993	0	14	12	0	0	26
1994	0	49	14	0	0	63
1995	6	33	18	0	0	57
1996	3	52	14	0	0	69
1997	3	114	14	0	0	131
1998	0	90	15	0	0	105
1999	0	148	11	0	0	159
2000	1	121	16	0	0	138
2001	4	152	12	0	0	168
2002	1	212	41	0	0	254
2003	0	239	23	0	0	262
2004	3	384	32	0	0	419
2005	1	130	54	0	0	185
2006	2	267	93	0	0	362
2007	1	224	68	0	0	293
2008	8	183	79	0	0	270
2009	6	370	110	0	0	486
2010	2	203	102	0	0	307
2011	0	176	117	0	0	293
2012	3	260	97	0	0	360
2013	9	492	182	0	0	683
2014	3	539	101	0	0	643
2015	4	421	100	0	0	525
2016	3	370	128	0	0	501
2017	7	464	116	0	0	587
2018	5	427	140	0	0	572
2019	5	393	142	0	0	540
2020	3	481	218	0	0	702
2021	3	483	160	0	0	646
2022	2	574	143	0	0	719
2023	0	0	14	0	0	14
2024	1	0	14	0	0	15
Total	99	8137	2492	0	0	10728