*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	4	0	14	0	0	18
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	0	1	0	0	1
1975	0	1	3	0	0	4
1976	0	0	5	0	0	5
1977	0	0	9	0	0	9
1978	1	0	5	0	0	6
1979	2	0	5	0	0	7
1980	8	0	4	0	0	12
1981	11	0	15	0	0	26
1982	17	4	14	0	0	35
1983	24	4	2	0	0	30
1984	4	2	4	0	0	10
1985	1	0	2	0	0	3
1986	1	1	12	0	0	14
1987	1	2	12	0	0	15
1988	4	0	24	0	0	28
1989	3	3	18	0	0	24
1990	7	6	28	0	0	41
1991	7	3	33	0	0	43
1992	1	7	21	0	0	29
1993	4	6	40	0	0	50
1994	5	52	41	0	0	98
1995	7	14	51	0	0	72
1996	5	20	24	0	0	49
1997	7	25	84	0	1	117
1998	5	25	72	0	0	102
1999	5	6	32	0	0	43
2000	10	40	71	0	0	121
2001	14	3	74	0	0	91
2002	4	1	95	0	1	101
2003	7	3	102	0	0	112
2004	2	4	96	0	0	102
2005	8	2	103	0	0	113
2006	17	4	73	0	0	94
2007	10	6	111	0	0	127
2008	3	2	118	0	0	123
2009	5	14	130	0	0	149
2010	16	0	128	0	0	144
2011	11	3	145	0	0	159
2012	8	7	185	0	0	200
2013	10	2	225	0	0	237
2014	8	6	288	0	0	302
2015	27	11	483	0	0	521
2016	28	7	582	0	0	617
2017	15	15	767	0	1	798
2018	5	15	650	0	0	670
2019	17	9	786	0	0	812
2020	12	8	714	0	0	734
2021	13	8	806	0	0	827
2022	7	3	904	0	0	914
2023	9	6	1019	0	0	1034
2024	17	13	989	0	0	1019
2025	0	1	4	0	0	5
Total	417	374	10228	0	3	11022