*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	0	1	0	0	0	1
1970	0	0	1	0	0	1
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	3	0	0	3
1976	0	1	2	0	0	3
1977	0	0	1	0	0	1
1978	0	1	2	0	0	3
1979	0	0	0	0	0	0
1980	0	0	0	0	0	0
1981	0	1	0	0	0	1
1982	0	1	3	0	0	4
1983	0	0	0	0	0	0
1984	0	1	1	0	0	2
1985	0	1	0	0	0	1
1986	1	2	1	0	0	4
1987	0	3	6	0	0	9
1988	0	1	3	0	0	4
1989	1	4	16	0	0	21
1990	1	16	1	0	0	18
1991	0	5	1	0	0	6
1992	2	91	5	0	0	98
1993	0	225	3	0	0	228
1994	3	808	9	0	0	820
1995	0	568	3	0	0	571
1996	0	621	1	0	0	622
1997	0	253	5	0	0	258
1998	1	533	4	0	0	538
1999	1	223	3	0	0	227
2000	1	765	15	0	0	781
2001	0	619	6	0	0	625
2002	0	784	12	0	0	796
2003	2	719	15	0	0	736
2004	0	862	5	0	0	867
2005	2	178	6	0	0	186
2006	0	375	20	0	0	395
2007	1	341	34	0	0	376
2008	0	284	18	0	0	302
2009	0	131	34	0	0	165
2010	0	370	61	0	0	431
2011	0	95	51	0	0	146
2012	3	260	32	0	0	295
2013	12	326	51	0	0	389
2014	0	464	71	0	0	535
2015	6	412	80	0	0	498
2016	2	576	80	0	0	658
2017	2	633	116	0	0	751
2018	1	687	137	0	0	825
2019	1	545	146	0	0	692
2020	3	761	193	0	0	957
2021	2	613	137	0	0	752
2022	6	678	169	0	0	853
2023	0	0	2	0	0	2
2024	0	0	1	0	0	1
Total	54	14838	1566	0	0	16458