*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	0	0	0	0	9	9
1970	0	0	0	0	1	1
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	0	1	0	1	2
1976	0	0	0	0	1	1
1977	0	0	3	0	1	4
1978	0	0	0	0	0	0
1979	0	0	1	0	1	2
1980	0	0	1	0	2	3
1981	0	0	0	0	1	1
1982	1	0	1	0	1	3
1983	2	0	1	0	1	4
1984	6	0	25	0	0	31
1985	3	1	4	0	7	15
1986	0	0	1	0	1	2
1987	0	0	3	0	1	4
1988	1	0	1	0	2	4
1989	0	0	2	0	3	5
1990	3	2	5	0	2	12
1991	1	2	11	0	1	15
1992	0	0	13	0	2	15
1993	6	0	21	0	3	30
1994	9	2	20	0	17	48
1995	5	2	23	0	17	47
1996	8	0	18	0	20	46
1997	9	1	15	0	12	37
1998	11	0	29	0	17	57
1999	7	1	26	0	22	56
2000	4	0	61	0	6	71
2001	6	0	24	0	21	51
2002	7	1	27	0	26	61
2003	9	0	22	0	29	60
2004	7	0	20	0	7	34
2005	2	0	13	0	26	41
2006	0	0	26	0	21	47
2007	1	0	24	0	12	37
2008	0	0	43	0	7	50
2009	0	0	55	0	14	69
2010	0	1	66	0	10	77
2011	2	1	76	0	14	93
2012	0	0	53	0	20	73
2013	0	0	35	0	10	45
2014	0	0	15	0	5	20
2015	0	1	7	0	10	18
2016	2	1	6	0	6	15
2017	1	0	5	0	15	21
2018	1	1	11	0	1	14
2019	1	0	6	0	1	8
2020	0	0	13	1	0	14
2021	1	1	8	0	0	10
Total	116	18	842	1	407	1384