*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	10	1	2	0	0	13
1970	0	0	1	0	0	1
1971	0	0	0	0	0	0
1972	0	0	0	0	0	0
1973	0	1	0	0	0	1
1974	0	0	0	0	0	0
1975	0	28	2	0	0	30
1976	0	1	0	0	0	1
1977	1	1	3	0	0	5
1978	1	0	0	0	0	1
1979	2	7	0	0	0	9
1980	0	5	3	0	0	8
1981	0	1	3	0	0	4
1982	0	0	3	0	0	3
1983	0	0	1	0	0	1
1984	0	1	1	0	0	2
1985	0	0	1	0	0	1
1986	0	2	2	0	0	4
1987	0	3	1	0	0	4
1988	0	9	3	0	0	12
1989	0	4	2	0	0	6
1990	1	19	2	0	0	22
1991	0	5	0	0	0	5
1992	0	19	3	0	0	22
1993	0	30	2	0	0	32
1994	0	145	7	0	0	152
1995	1	83	8	0	0	92
1996	3	104	4	0	0	111
1997	1	173	8	0	0	182
1998	8	153	6	0	0	167
1999	1	96	3	0	0	100
2000	2	191	7	0	0	200
2001	3	155	8	0	0	166
2002	1	285	13	0	0	299
2003	4	316	13	0	0	333
2004	1	376	15	0	0	392
2005	1	141	10	0	0	152
2006	0	260	32	0	0	292
2007	2	424	33	0	0	459
2008	6	190	27	0	0	223
2009	3	293	36	0	0	332
2010	8	394	52	0	0	454
2011	2	274	57	0	0	333
2012	38	540	76	0	0	654
2013	6	562	158	0	0	726
2014	0	672	44	0	0	716
2015	3	420	72	0	0	495
2016	4	401	69	0	0	474
2017	2	462	73	0	0	537
2018	4	431	89	0	0	524
2019	8	423	113	0	0	544
2020	7	368	112	0	1	488
2021	9	398	124	0	0	531
2022	7	541	111	0	0	659
2023	0	1	0	0	0	1
Total	150	9409	1415	0	1	10975