*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	1	7	19	0	0	27
1970	0	0	3	0	0	3
1971	0	9	0	0	0	9
1972	0	0	2	0	0	2
1973	0	3	5	0	0	8
1974	0	1	2	0	0	3
1975	0	5	4	0	0	9
1976	0	2	6	0	0	8
1977	0	1	10	0	0	11
1978	0	1	4	0	0	5
1979	1	4	7	0	0	12
1980	2	0	8	0	0	10
1981	0	1	6	0	0	7
1982	0	2	3	0	0	5
1983	0	2	7	0	0	9
1984	0	1	3	0	0	4
1985	1	2	1	0	0	4
1986	0	3	13	0	0	16
1987	0	3	14	0	0	17
1988	2	5	8	0	0	15
1989	1	16	18	0	0	35
1990	4	38	20	0	0	62
1991	3	22	17	0	0	42
1992	3	7	33	0	0	43
1993	1	63	31	0	0	95
1994	1	108	43	0	0	152
1995	8	72	31	0	0	111
1996	2	70	30	0	0	102
1997	4	267	34	0	0	305
1998	5	231	36	0	0	272
1999	1	183	37	0	0	221
2000	4	206	40	0	0	250
2001	5	285	52	0	0	342
2002	2	255	80	0	0	337
2003	2	353	84	0	0	439
2004	2	539	76	0	0	617
2005	3	315	148	0	0	466
2006	5	298	171	0	0	474
2007	3	260	187	0	0	450
2008	1	224	198	0	0	423
2009	6	225	211	0	0	442
2010	5	313	371	0	0	689
2011	0	175	305	0	0	480
2012	14	522	285	0	0	821
2013	15	422	293	0	0	730
2014	13	564	310	0	0	887
2015	8	669	396	0	0	1073
2016	16	703	433	0	0	1152
2017	17	858	515	0	0	1390
2018	14	1010	584	0	0	1608
2019	25	1066	564	0	0	1655
2020	6	1126	893	0	0	2025
2021	13	1234	881	0	0	2128
2022	6	1471	488	0	0	1965
2023	0	3	73	0	0	76
2024	0	0	0	0	0	0
Total	225	14225	8093	0	0	22543