*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	1	1	12	0	0	14
1970	0	5	0	0	0	5
1971	0	14	0	0	0	14
1972	0	4	0	0	0	4
1973	0	3	0	0	0	3
1974	0	1	0	0	0	1
1975	0	28	0	0	0	28
1976	0	1	1	0	0	2
1977	0	8	2	0	0	10
1978	1	42	58	0	0	101
1979	0	31	1	0	0	32
1980	0	30	0	0	0	30
1981	0	21	1	0	0	22
1982	0	17	0	0	0	17
1983	0	7	0	0	0	7
1984	0	7	0	0	0	7
1985	0	3	0	0	0	3
1986	0	9	3	0	0	12
1987	0	5	0	0	0	5
1988	0	20	0	0	0	20
1989	0	19	1	0	0	20
1990	0	26	1	0	0	27
1991	0	31	2	0	0	33
1992	0	35	1	0	0	36
1993	0	47	1	0	0	48
1994	0	50	5	0	0	55
1995	1	52	6	0	0	59
1996	1	28	10	0	0	39
1997	2	67	22	0	0	91
1998	1	39	5	0	0	45
1999	1	12	5	0	0	18
2000	0	58	5	0	0	63
2001	0	83	3	0	0	86
2002	0	117	16	0	0	133
2003	3	107	35	0	0	145
2004	0	277	33	0	0	310
2005	1	130	28	0	0	159
2006	0	111	11	0	0	122
2007	0	281	8	0	0	289
2008	2	150	9	0	0	161
2009	1	104	11	0	0	116
2010	0	144	16	0	0	160
2011	0	426	20	0	0	446
2012	0	485	30	0	0	515
2013	0	151	40	0	0	191
2014	0	118	5	0	0	123
2015	0	180	10	0	0	190
2016	3	158	14	0	0	175
2017	4	264	13	0	0	281
2018	0	229	13	0	0	242
2019	1	257	30	0	0	288
2020	0	226	37	0	0	263
2021	1	138	12	0	0	151
2022	0	126	8	0	0	134
2023	0	1	1	0	0	2
2024	0	0	1	0	0	1
Total	24	4984	546	0	0	5554