*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	1	5	10	0	0	16
1970	0	0	1	0	0	1
1971	0	7	1	0	0	8
1972	0	0	0	0	0	0
1973	0	0	0	0	0	0
1974	0	0	1	0	0	1
1975	0	1	2	0	0	3
1976	0	1	1	0	0	2
1977	0	1	1	0	0	2
1978	0	1	0	0	0	1
1979	0	0	0	0	1	1
1980	0	0	3	0	0	3
1981	0	0	2	0	0	2
1982	0	0	1	0	0	1
1983	0	1	1	0	2	4
1984	0	2	0	0	0	2
1985	0	3	1	0	0	4
1986	0	3	0	0	1	4
1987	0	4	9	0	0	13
1988	0	6	2	0	0	8
1989	1	7	8	0	0	16
1990	0	19	6	0	1	26
1991	2	16	2	0	0	20
1992	0	11	14	0	0	25
1993	0	28	13	0	0	41
1994	3	72	28	0	0	103
1995	0	27	29	0	0	56
1996	0	53	19	0	0	72
1997	3	102	20	0	0	125
1998	0	91	21	0	0	112
1999	1	73	22	0	2	98
2000	3	84	40	0	0	127
2001	2	142	25	0	0	169
2002	0	109	44	0	0	153
2003	2	282	37	0	2	323
2004	0	390	41	0	0	431
2005	0	198	53	0	0	251
2006	5	163	87	0	1	256
2007	0	141	120	0	0	261
2008	1	287	98	0	0	386
2009	2	92	151	0	0	245
2010	2	155	214	0	0	371
2011	0	53	219	0	0	272
2012	7	232	173	0	2	414
2013	6	330	148	0	0	484
2014	16	369	202	0	0	587
2015	11	496	272	0	0	779
2016	10	472	292	0	0	774
2017	13	588	292	0	0	893
2018	15	583	378	0	0	976
2019	23	704	414	0	0	1141
2020	5	719	593	0	0	1317
2021	4	788	630	0	1	1423
2022	3	960	253	0	0	1216
2023	0	6	5	0	0	11
Total	141	8877	4999	0	13	14030