*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	0	8	17	0	0	25
1970	0	0	2	0	0	2
1971	0	9	0	0	0	9
1972	0	0	0	0	0	0
1973	0	1	2	0	0	3
1974	0	1	0	0	0	1
1975	0	3	2	0	0	5
1976	0	0	4	0	0	4
1977	0	1	4	0	0	5
1978	0	0	1	0	0	1
1979	0	1	1	0	0	2
1980	0	0	1	0	0	1
1981	0	2	4	0	0	6
1982	0	2	4	0	0	6
1983	0	1	3	0	0	4
1984	0	0	1	0	0	1
1985	0	2	2	0	0	4
1986	0	4	3	0	0	7
1987	0	6	11	0	0	17
1988	0	3	6	0	0	9
1989	0	8	11	0	0	19
1990	1	36	3	0	0	40
1991	1	25	13	0	0	39
1992	2	33	11	0	0	46
1993	0	120	24	0	0	144
1994	2	149	27	0	0	178
1995	1	150	24	0	0	175
1996	3	162	16	0	0	181
1997	0	238	21	0	0	259
1998	2	195	13	0	0	210
1999	0	118	17	0	0	135
2000	0	231	47	0	0	278
2001	3	356	26	0	1	386
2002	0	170	42	0	0	212
2003	1	406	37	0	0	444
2004	0	392	23	0	0	415
2005	2	261	80	0	1	344
2006	1	203	49	0	0	253
2007	0	153	70	0	0	223
2008	0	163	72	0	0	235
2009	1	157	82	0	0	240
2010	1	120	154	0	0	275
2011	1	80	170	0	0	251
2012	1	304	142	0	0	447
2013	3	285	127	0	0	415
2014	4	331	225	0	0	560
2015	3	453	180	0	0	636
2016	4	497	228	0	0	729
2017	4	651	232	0	0	887
2018	3	588	282	0	0	873
2019	7	713	318	0	0	1038
2020	0	684	463	0	3	1150
2021	1	819	428	0	0	1248
2022	1	839	256	0	0	1096
2023	0	6	16	0	0	22
2024	0	2	20	0	0	22
Total	53	10142	4017	0	5	14217