*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	0	0	5	0	0	5
1970	0	0	1	0	0	1
1971	0	0	2	0	0	2
1972	0	0	1	0	0	1
1973	0	0	2	0	0	2
1974	0	0	4	0	0	4
1975	0	0	2	0	0	2
1976	0	0	3	0	0	3
1977	0	0	2	0	0	2
1978	0	0	0	0	0	0
1979	0	0	4	0	0	4
1980	0	1	1	0	0	2
1981	0	0	3	0	0	3
1982	0	0	3	0	0	3
1983	0	0	2	0	0	2
1984	0	0	3	0	0	3
1985	0	0	3	0	0	3
1986	0	0	7	0	0	7
1987	0	0	4	0	0	4
1988	0	2	7	0	0	9
1989	0	0	10	0	0	10
1990	0	2	8	0	0	10
1991	1	2	8	0	0	11
1992	0	3	10	0	0	13
1993	0	6	26	0	0	32
1994	0	1	35	0	0	36
1995	3	2	27	0	0	32
1996	0	3	22	0	0	25
1997	0	2	19	0	0	21
1998	0	1	24	0	0	25
1999	0	1	7	0	0	8
2000	1	4	28	0	0	33
2001	0	1	20	0	0	21
2002	0	0	26	0	0	26
2003	0	0	23	0	0	23
2004	1	3	32	0	0	36
2005	0	1	30	0	0	31
2006	0	0	16	0	0	16
2007	0	0	32	0	0	32
2008	0	1	37	0	0	38
2009	0	0	21	0	0	21
2010	0	1	37	0	0	38
2011	0	5	48	0	0	53
2012	0	1	92	0	0	93
2013	1	0	104	0	0	105
2014	0	2	141	0	0	143
2015	1	1	147	0	0	149
2016	0	0	207	0	0	207
2017	0	1	198	0	0	199
2018	0	1	263	0	0	264
2019	0	0	280	0	0	280
2020	0	0	371	0	0	371
2021	0	1	305	0	0	306
2022	0	1	278	0	0	279
2023	0	0	2	0	0	2
2024	0	0	0	0	0	0
Total	8	50	2993	0	0	3051