*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	1	0	7	0	2	10
1970	0	0	2	0	0	2
1971	0	0	1	0	0	1
1972	0	0	1	0	0	1
1973	0	0	4	0	0	4
1974	0	0	2	0	0	2
1975	0	0	2	0	0	2
1976	0	0	4	0	0	4
1977	0	0	8	0	0	8
1978	1	0	4	0	0	5
1979	0	0	2	0	0	2
1980	0	0	6	0	0	6
1981	0	0	5	0	0	5
1982	0	0	4	0	0	4
1983	0	0	4	0	0	4
1984	0	0	4	0	0	4
1985	0	0	7	0	0	7
1986	0	0	8	0	0	8
1987	0	0	16	0	1	17
1988	0	0	14	0	0	14
1989	0	0	15	0	0	15
1990	2	5	8	0	0	15
1991	4	1	29	0	0	34
1992	0	0	25	0	0	25
1993	0	0	28	0	0	28
1994	0	0	56	0	0	56
1995	0	1	48	0	0	49
1996	0	0	37	0	1	38
1997	0	0	38	0	0	38
1998	0	0	40	0	0	40
1999	0	0	46	0	0	46
2000	0	1	62	0	0	63
2001	1	2	70	0	1	74
2002	0	0	69	0	0	69
2003	0	1	77	0	2	80
2004	0	3	89	0	0	92
2005	1	2	92	0	1	96
2006	0	2	130	0	0	132
2007	0	3	136	0	0	139
2008	1	7	162	0	0	170
2009	2	4	201	0	1	208
2010	1	6	288	0	0	295
2011	0	0	259	0	1	260
2012	0	18	404	0	2	424
2013	0	0	566	0	1	567
2014	2	44	613	0	0	659
2015	0	0	774	0	0	774
2016	0	0	912	0	2	914
2017	0	1	1181	0	1	1183
2018	0	0	1267	0	1	1268
2019	0	3	1540	0	1	1544
2020	0	1	1785	0	1	1787
2021	1	2	1931	0	0	1934
2022	0	1	2117	0	0	2118
2023	0	1	1851	0	1	1853
2024	1	2	2243	0	0	2246
2025	0	0	17	0	0	17
Total	18	111	19311	0	20	19460