*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	0	2	4	0	0	6
1970	0	0	2	0	0	2
1971	0	0	1	0	0	1
1972	0	0	1	0	0	1
1973	0	0	1	0	0	1
1974	0	1	1	0	0	2
1975	0	0	1	0	0	1
1976	0	0	2	0	0	2
1977	0	0	1	0	0	1
1978	0	1	1	0	0	2
1979	0	0	3	0	0	3
1980	0	0	1	0	0	1
1981	0	0	1	0	0	1
1982	0	0	2	0	0	2
1983	0	0	1	0	0	1
1984	0	0	2	0	0	2
1985	0	1	3	0	0	4
1986	0	1	2	0	0	3
1987	0	4	2	0	0	6
1988	0	0	5	0	0	5
1989	0	5	3	0	0	8
1990	0	9	1	0	0	10
1991	0	8	5	0	0	13
1992	1	53	4	0	0	58
1993	0	94	5	0	0	99
1994	0	280	4	0	0	284
1995	0	257	5	0	0	262
1996	0	285	5	0	0	290
1997	0	76	6	0	0	82
1998	1	255	3	0	0	259
1999	0	34	1	0	0	35
2000	0	281	7	0	0	288
2001	18	129	4	0	0	151
2002	13	253	24	0	0	290
2003	0	116	19	0	0	135
2004	0	265	12	0	0	277
2005	0	90	19	0	0	109
2006	0	110	29	0	0	139
2007	1	177	31	0	0	209
2008	0	78	16	0	0	94
2009	0	8	16	0	0	24
2010	0	88	56	0	0	144
2011	0	33	40	0	0	73
2012	1	74	24	0	0	99
2013	1	123	45	0	0	169
2014	1	141	71	0	0	213
2015	0	137	87	0	0	224
2016	1	182	95	0	0	278
2017	1	237	113	0	0	351
2018	1	289	165	0	0	455
2019	1	219	166	0	0	386
2020	1	276	185	0	0	462
2021	0	285	138	0	0	423
2022	1	266	111	0	0	378
2023	0	0	5	0	0	5
2024	0	1	3	0	0	4
Total	43	5224	1560	0	0	6827