*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	0	0	0	0	0	0
1970	0	0	0	0	1	1
1971	0	0	0	0	1	1
1972	0	0	1	0	2	3
1973	0	0	2	0	2	4
1974	0	0	1	0	1	2
1975	0	0	1	0	3	4
1976	0	0	0	0	3	3
1977	0	0	3	0	2	5
1978	0	0	3	0	2	5
1979	0	0	2	0	2	4
1980	0	2	9	0	2	13
1981	0	0	2	0	5	7
1982	0	0	2	0	4	6
1983	0	0	4	0	2	6
1984	0	0	8	0	4	12
1985	6	0	8	0	3	17
1986	0	1	20	0	4	25
1987	2	2	14	0	5	23
1988	11	0	43	0	11	65
1989	9	2	58	0	10	79
1990	27	3	28	3	9	70
1991	9	3	28	0	5	45
1992	10	3	21	0	5	39
1993	4	2	11	1	11	29
1994	1	11	20	0	9	41
1995	7	3	21	1	9	41
1996	0	5	28	0	8	41
1997	1	2	15	0	11	29
1998	1	6	12	0	7	26
1999	1	2	16	0	11	30
2000	3	0	12	0	17	32
2001	1	2	23	0	13	39
2002	1	0	31	0	10	42
2003	5	7	38	0	15	65
2004	0	0	33	0	14	47
2005	2	0	32	0	18	52
2006	10	6	64	0	18	98
2007	4	12	88	0	16	120
2008	5	7	90	0	19	121
2009	10	11	101	0	26	148
2010	7	14	77	0	23	121
2011	4	4	84	2	25	119
2012	1	3	55	3	27	89
2013	0	19	78	0	38	135
2014	3	14	39	0	13	69
2015	1	6	23	1	20	51
2016	0	1	10	0	19	30
2017	2	1	8	0	23	34
2018	0	0	8	0	3	11
2019	0	1	5	0	2	8
2020	0	1	6	0	0	7
2021	0	1	0	0	0	1
Total	148	157	1286	11	513	2115