*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	0	5	16	0	0	21
1970	0	0	5	0	0	5
1971	0	8	0	0	0	8
1972	0	0	1	0	0	1
1973	0	0	5	0	0	5
1974	0	0	5	0	0	5
1975	0	2	3	0	0	5
1976	0	0	1	0	0	1
1977	1	0	1	0	0	2
1978	0	1	1	0	0	2
1979	0	0	3	0	0	3
1980	0	1	0	0	0	1
1981	0	0	1	0	0	1
1982	0	0	3	0	0	3
1983	0	2	2	0	0	4
1984	0	2	4	0	0	6
1985	0	3	1	0	0	4
1986	0	2	2	0	0	4
1987	0	2	10	0	0	12
1988	0	8	9	0	0	17
1989	0	4	8	0	0	12
1990	1	19	11	0	0	31
1991	2	18	8	0	0	28
1992	1	30	19	0	0	50
1993	1	58	8	0	0	67
1994	2	182	23	0	0	207
1995	1	58	10	0	0	69
1996	0	99	13	0	0	112
1997	1	106	6	0	0	113
1998	1	105	14	0	0	120
1999	0	62	9	0	0	71
2000	0	156	26	0	0	182
2001	0	165	9	0	0	174
2002	0	241	27	0	0	268
2003	0	254	28	0	0	282
2004	1	217	18	0	0	236
2005	2	155	28	0	0	185
2006	2	172	41	0	0	215
2007	1	188	48	0	0	237
2008	1	130	47	0	0	178
2009	1	58	69	0	0	128
2010	2	317	108	0	0	427
2011	1	63	101	0	0	165
2012	7	188	81	0	0	276
2013	5	297	106	0	0	408
2014	3	331	98	0	0	432
2015	2	390	120	0	0	512
2016	6	436	163	0	0	605
2017	7	482	122	0	0	611
2018	3	516	212	0	0	731
2019	5	570	232	0	0	807
2020	4	802	389	0	0	1195
2021	1	809	338	0	0	1148
2022	1	765	266	0	0	1032
2023	0	3	18	0	0	21
2024	0	2	17	0	0	19
Total	66	8484	2914	0	0	11464