*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	4	0	0	4
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	11	0	0	19
1995	5	2	10	0	0	17
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	10	0	0	10
2001	3	1	15	0	0	19
2002	4	1	18	0	0	23
2003	2	6	20	0	0	28
2004	0	0	24	0	0	24
2005	1	2	22	0	0	25
2006	2	0	7	0	0	9
2007	0	0	28	0	0	28
2008	1	0	38	0	0	39
2009	6	2	31	0	0	39
2010	9	1	39	0	0	49
2011	7	0	52	0	0	59
2012	3	2	35	0	0	40
2013	6	0	59	0	0	65
2014	3	1	44	0	0	48
2015	2	1	66	0	0	69
2016	5	0	70	0	0	75
2017	1	0	85	0	1	87
2018	2	1	102	0	0	105
2019	4	3	114	0	0	121
2020	5	5	100	0	0	110
2021	1	1	138	0	0	140
2022	0	2	126	0	0	128
2023	0	0	4	0	0	4
2024	0	0	9	0	0	9
Total	90	43	1364	0	1	1498