*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	0	1	17	0	0	18
1970	0	0	0	0	0	0
1971	0	0	2	0	0	2
1972	0	0	1	0	0	1
1973	1	0	5	0	0	6
1974	0	0	2	0	0	2
1975	0	5	4	0	0	9
1976	0	0	2	0	0	2
1977	0	0	10	0	0	10
1978	0	0	4	0	0	4
1979	1	0	7	0	0	8
1980	0	0	7	0	0	7
1981	0	0	9	0	0	9
1982	0	0	6	0	0	6
1983	0	0	7	0	0	7
1984	0	0	4	0	0	4
1985	0	0	10	0	0	10
1986	1	1	6	0	0	8
1987	0	0	11	0	0	11
1988	2	1	10	0	0	13
1989	1	7	13	0	0	21
1990	0	14	32	0	0	46
1991	5	10	21	0	0	36
1992	0	6	25	0	0	31
1993	0	16	25	0	0	41
1994	1	17	35	0	0	53
1995	7	9	42	0	0	58
1996	2	25	24	0	0	51
1997	3	27	52	0	0	82
1998	0	19	50	0	0	69
1999	2	9	47	0	0	58
2000	2	8	90	0	0	100
2001	2	9	132	0	0	143
2002	4	3	138	0	0	145
2003	2	3	122	0	0	127
2004	2	11	88	0	0	101
2005	1	21	113	0	0	135
2006	1	9	90	0	0	100
2007	0	12	119	0	0	131
2008	5	7	129	0	0	141
2009	2	7	143	0	0	152
2010	0	14	143	0	0	157
2011	2	21	189	0	0	212
2012	2	12	254	0	0	268
2013	4	5	232	0	0	241
2014	1	8	238	0	0	247
2015	5	5	334	0	0	344
2016	3	4	298	0	0	305
2017	3	4	377	0	0	384
2018	3	9	456	0	0	468
2019	6	3	498	0	0	507
2020	3	2	574	0	0	579
2021	2	3	591	0	0	596
2022	0	1	505	0	0	506
2023	0	0	8	0	0	8
2024	1	0	13	0	0	14
Total	82	348	6364	0	0	6794