*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	0	0	5	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	1	0	0	1
1975	0	0	0	0	0	0
1976	0	0	0	0	0	0
1977	0	0	2	0	0	2
1978	0	0	1	0	0	1
1979	0	0	3	0	0	3
1980	0	0	5	0	0	5
1981	0	0	1	0	0	1
1982	0	0	1	0	0	1
1983	0	0	0	0	0	0
1984	0	0	1	0	0	1
1985	0	0	1	0	0	1
1986	0	0	0	0	0	0
1987	0	0	5	0	0	5
1988	0	0	1	0	0	1
1989	0	0	5	0	0	5
1990	1	1	3	0	0	5
1991	0	3	8	0	0	11
1992	0	0	4	0	0	4
1993	1	0	7	0	0	8
1994	7	1	12	0	0	20
1995	5	2	11	0	0	18
1996	4	3	12	0	0	19
1997	1	2	7	0	0	10
1998	3	0	10	0	0	13
1999	1	2	5	0	0	8
2000	0	0	11	0	0	11
2001	3	1	16	0	0	20
2002	4	1	21	0	0	26
2003	2	6	22	0	0	30
2004	0	0	28	0	0	28
2005	1	2	23	0	0	26
2006	2	0	8	0	0	10
2007	0	0	27	0	0	27
2008	1	0	38	0	0	39
2009	6	2	31	0	0	39
2010	9	1	40	0	0	50
2011	7	0	59	0	0	66
2012	3	2	72	0	0	77
2013	6	0	118	0	0	124
2014	3	1	85	0	0	89
2015	2	1	116	0	0	119
2016	5	0	139	0	0	144
2017	1	0	165	0	0	166
2018	2	1	243	0	0	246
2019	4	3	292	0	0	299
2020	3	0	0	0	0	3
2021	0	0	1	0	0	1
2022	0	0	0	0	0	0
Total	87	35	1666	0	0	1788