*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	4	6	8	0	0	18
1970	0	0	2	0	0	2
1971	0	2	0	0	0	2
1972	0	0	1	0	0	1
1973	0	0	1	0	0	1
1974	0	0	0	0	0	0
1975	0	6	2	0	0	8
1976	0	1	4	0	0	5
1977	0	0	9	0	0	9
1978	0	1	4	0	0	5
1979	0	2	3	0	0	5
1980	0	0	6	0	0	6
1981	0	0	5	0	0	5
1982	0	0	2	0	0	2
1983	0	0	4	0	0	4
1984	0	2	2	0	0	4
1985	0	2	1	0	0	3
1986	0	4	1	0	0	5
1987	2	5	7	0	0	14
1988	0	7	7	0	0	14
1989	1	9	12	0	0	22
1990	3	21	21	0	0	45
1991	1	10	6	0	0	17
1992	3	9	11	0	0	23
1993	1	18	18	0	0	37
1994	0	59	28	0	0	87
1995	3	37	21	0	0	61
1996	5	38	18	0	0	61
1997	5	127	21	0	0	153
1998	4	116	20	0	0	140
1999	3	103	23	0	0	129
2000	1	107	29	0	0	137
2001	0	145	29	0	0	174
2002	0	133	52	0	0	185
2003	3	159	38	0	0	200
2004	1	280	50	0	0	331
2005	2	138	88	0	0	228
2006	3	160	99	0	0	262
2007	4	170	104	0	0	278
2008	5	152	128	0	0	285
2009	2	115	117	0	0	234
2010	3	81	172	0	0	256
2011	1	119	179	0	0	299
2012	6	213	131	0	0	350
2013	8	330	195	0	0	533
2014	8	324	153	0	0	485
2015	11	359	184	0	0	554
2016	14	394	199	0	0	607
2017	12	505	236	0	0	753
2018	15	581	247	0	0	843
2019	7	505	277	0	0	789
2020	10	648	303	0	0	961
2021	6	660	389	0	0	1055
2022	7	666	182	0	1	856
2023	0	0	16	0	0	16
2024	0	0	30	0	0	30
Total	164	7529	3895	0	1	11589