*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	3	2	6	0	0	11
1970	0	0	2	0	0	2
1971	0	2	0	0	0	2
1972	0	0	3	0	0	3
1973	0	1	2	0	0	3
1974	0	3	7	0	0	10
1975	0	3	5	0	0	8
1976	0	2	7	0	0	9
1977	0	0	14	0	0	14
1978	1	2	5	0	0	8
1979	0	4	8	0	0	12
1980	0	1	10	0	0	11
1981	0	1	7	0	0	8
1982	0	4	11	0	0	15
1983	1	2	6	0	0	9
1984	0	2	8	0	0	10
1985	0	3	8	0	0	11
1986	0	9	15	0	0	24
1987	0	5	15	0	0	20
1988	1	7	11	0	0	19
1989	0	15	21	0	0	36
1990	0	55	21	0	0	76
1991	1	26	30	0	0	57
1992	5	11	36	0	0	52
1993	11	40	38	0	0	89
1994	3	131	70	0	0	204
1995	12	78	36	0	0	126
1996	6	79	27	0	0	112
1997	6	263	35	0	0	304
1998	5	209	32	0	0	246
1999	2	150	44	0	0	196
2000	3	227	48	0	0	278
2001	6	117	34	0	0	157
2002	1	105	70	0	0	176
2003	0	137	65	0	0	202
2004	1	136	59	0	0	196
2005	5	145	131	0	0	281
2006	3	178	131	0	0	312
2007	3	133	134	0	0	270
2008	2	74	179	0	0	255
2009	1	61	205	0	0	267
2010	3	63	271	0	0	337
2011	4	90	314	0	0	408
2012	10	309	269	0	0	588
2013	6	333	192	0	0	531
2014	10	461	235	0	0	706
2015	14	504	343	0	1	862
2016	19	578	342	0	0	939
2017	20	826	474	0	0	1320
2018	19	875	489	0	0	1383
2019	113	898	498	0	0	1509
2020	7	976	723	0	0	1706
2021	5	1098	665	0	0	1768
2022	10	1098	357	0	0	1465
2023	1	1	27	0	0	29
2024	0	0	23	0	0	23
Total	323	10533	6818	0	1	17675