*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	0	3	5	0	0	8
1970	0	0	0	0	0	0
1971	0	0	0	0	0	0
1972	0	0	0	0	0	0
1973	0	0	0	0	0	0
1974	0	0	0	0	0	0
1975	0	1	1	0	0	2
1976	0	0	1	0	0	1
1977	0	1	1	0	0	2
1978	0	0	1	0	0	1
1979	0	1	3	0	0	4
1980	0	0	0	0	0	0
1981	0	0	2	0	0	2
1982	0	1	4	0	0	5
1983	0	0	0	0	0	0
1984	1	2	1	0	0	4
1985	0	0	1	0	0	1
1986	0	3	3	0	0	6
1987	0	1	19	0	0	20
1988	0	2	18	0	0	20
1989	0	2	9	0	0	11
1990	0	14	3	0	0	17
1991	0	8	7	0	0	15
1992	0	90	6	0	0	96
1993	0	157	5	0	0	162
1994	2	473	17	0	0	492
1995	0	427	12	0	0	439
1996	0	474	12	0	0	486
1997	0	231	9	0	0	240
1998	0	231	6	0	0	237
1999	0	54	9	0	0	63
2000	0	370	13	0	0	383
2001	1	203	13	0	0	217
2002	0	321	20	0	0	341
2003	0	144	16	0	0	160
2004	1	318	14	0	0	333
2005	0	52	28	0	0	80
2006	0	128	24	0	0	152
2007	0	133	33	0	0	166
2008	0	112	32	0	0	144
2009	0	22	44	0	0	66
2010	0	136	74	0	0	210
2011	0	70	79	0	0	149
2012	1	140	50	0	0	191
2013	1	220	66	0	0	287
2014	0	250	118	0	0	368
2015	0	315	131	0	0	446
2016	0	339	135	0	0	474
2017	0	404	218	0	0	622
2018	0	490	239	0	0	729
2019	3	432	229	0	0	664
2020	1	566	277	0	0	844
2021	0	424	217	0	0	641
2022	1	465	77	0	0	543
2023	0	0	3	0	0	3
2024	0	5	8	0	0	13
Total	12	8235	2313	0	0	10560