*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	2	1	6	0	1	10
1970	0	0	1	0	0	1
1971	0	0	1	0	0	1
1972	0	0	0	0	0	0
1973	0	0	1	0	0	1
1974	0	0	1	0	0	1
1975	0	1	2	0	0	3
1976	0	1	3	0	0	4
1977	0	0	6	0	0	6
1978	0	1	4	0	0	5
1979	0	3	6	0	0	9
1980	0	1	4	0	0	5
1981	0	0	3	0	0	3
1982	0	0	7	0	0	7
1983	0	0	6	0	0	6
1984	0	0	3	0	0	3
1985	0	2	1	0	0	3
1986	0	7	6	0	0	13
1987	1	4	8	0	0	13
1988	0	4	7	0	0	11
1989	2	11	3	0	0	16
1990	0	8	7	0	0	15
1991	2	14	4	0	0	20
1992	0	26	6	0	0	32
1993	1	28	7	0	0	36
1994	1	92	14	0	0	107
1995	0	41	12	0	0	53
1996	2	65	12	0	0	79
1997	2	54	9	0	0	65
1998	1	89	8	0	0	98
1999	0	33	9	0	0	42
2000	2	110	13	0	0	125
2001	0	73	12	0	0	85
2002	0	200	19	0	0	219
2003	2	283	24	0	0	309
2004	2	291	20	0	0	313
2005	0	74	23	0	0	97
2006	0	381	65	0	0	446
2007	0	174	26	0	0	200
2008	2	89	22	0	0	113
2009	2	177	58	0	0	237
2010	3	60	59	0	0	122
2011	0	85	48	0	0	133
2012	0	212	51	0	0	263
2013	4	203	62	0	0	269
2014	10	276	67	0	0	353
2015	10	248	87	0	0	345
2016	3	189	108	0	0	300
2017	7	240	78	0	0	325
2018	5	164	90	0	0	259
2019	6	150	69	0	0	225
2020	2	279	145	0	0	426
2021	2	211	116	0	0	329
2022	1	197	75	0	0	273
2023	2	1	15	0	0	18
2024	0	0	0	0	0	0
Total	79	4853	1519	0	1	6452