*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	1	1	3	0	0	5
1970	0	0	0	0	0	0
1971	0	0	0	0	0	0
1972	0	0	0	0	0	0
1973	0	0	0	0	0	0
1974	0	0	0	0	0	0
1975	0	0	0	0	0	0
1976	0	0	0	0	0	0
1977	0	0	0	0	0	0
1978	0	1	0	0	0	1
1979	0	0	0	0	0	0
1980	0	0	0	0	0	0
1981	0	0	1	0	0	1
1982	0	1	0	0	0	1
1983	0	0	0	0	0	0
1984	0	0	0	0	0	0
1985	0	0	1	0	0	1
1986	0	0	0	0	0	0
1987	0	0	7	0	0	7
1988	0	1	6	0	0	7
1989	0	1	4	0	0	5
1990	0	6	1	0	0	7
1991	2	6	0	0	0	8
1992	1	2	3	0	0	6
1993	0	21	4	0	0	25
1994	0	63	9	0	0	72
1995	0	60	4	0	0	64
1996	0	66	3	0	0	69
1997	0	35	3	0	0	38
1998	0	17	0	0	0	17
1999	0	11	1	0	0	12
2000	0	46	1	0	0	47
2001	0	20	7	0	0	27
2002	0	18	3	0	0	21
2003	0	20	6	0	0	26
2004	0	30	3	0	0	33
2005	0	23	7	0	0	30
2006	0	18	7	0	0	25
2007	0	24	9	0	0	33
2008	0	68	4	0	0	72
2009	0	2	11	0	0	13
2010	0	24	13	0	0	37
2011	0	12	10	0	0	22
2012	0	31	13	0	0	44
2013	0	74	23	0	0	97
2014	0	77	30	0	0	107
2015	0	68	41	0	0	109
2016	0	148	80	0	0	228
2017	0	186	64	0	0	250
2018	4	223	109	0	1	337
2019	2	232	95	0	0	329
2020	0	18	0	0	0	18
2021	0	13	0	0	0	13
2022	0	0	0	0	0	0
Total	10	1667	586	0	1	2264