*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	1	5	1	0	0	7
1970	0	0	0	0	0	0
1971	0	0	1	0	0	1
1972	0	0	2	0	0	2
1973	0	1	0	0	0	1
1974	0	2	2	0	0	4
1975	0	1	2	0	0	3
1976	0	2	4	0	0	6
1977	0	0	6	0	0	6
1978	1	1	0	0	0	2
1979	0	3	2	0	0	5
1980	0	2	1	0	0	3
1981	0	1	2	0	0	3
1982	0	2	5	0	0	7
1983	0	3	2	0	0	5
1984	0	2	5	0	0	7
1985	0	3	5	0	0	8
1986	0	6	12	0	0	18
1987	0	2	15	0	0	17
1988	0	8	10	0	0	18
1989	0	15	12	0	0	27
1990	0	30	13	0	0	43
1991	2	26	18	0	0	46
1992	2	23	25	0	0	50
1993	3	100	35	0	0	138
1994	3	172	47	0	0	222
1995	11	129	23	0	0	163
1996	5	130	32	0	0	167
1997	7	166	54	0	0	227
1998	6	197	45	0	0	248
1999	4	120	27	0	0	151
2000	11	231	44	0	0	286
2001	9	189	51	0	0	249
2002	5	178	58	0	0	241
2003	8	297	64	0	0	369
2004	3	359	101	0	0	463
2005	6	277	97	0	0	380
2006	5	277	146	0	0	428
2007	4	229	158	0	0	391
2008	6	313	199	0	0	518
2009	8	206	249	0	0	463
2010	7	190	395	0	0	592
2011	5	101	408	0	0	514
2012	18	777	522	0	0	1317
2013	46	1172	810	0	0	2028
2014	65	1612	941	0	0	2618
2015	74	1853	1224	0	1	3152
2016	99	2297	1524	0	0	3920
2017	99	2534	1535	0	0	4168
2018	68	3140	1934	0	0	5142
2019	84	3173	2025	0	0	5282
2020	0	44	1	0	0	45
2021	1	26	2	0	0	29
2022	0	0	0	0	0	0
Total	676	20627	12896	0	1	34200