*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	3	2	1	0	0	6
1970	0	0	0	0	0	0
1971	0	1	1	0	0	2
1972	0	0	1	0	0	1
1973	0	0	0	0	0	0
1974	0	0	0	0	0	0
1975	0	3	0	0	0	3
1976	0	0	0	0	0	0
1977	0	0	5	0	0	5
1978	1	0	4	0	0	5
1979	0	1	1	0	0	2
1980	0	0	1	0	0	1
1981	0	1	2	0	0	3
1982	0	2	2	0	0	4
1983	0	1	4	0	0	5
1984	0	0	0	0	0	0
1985	0	0	1	0	0	1
1986	2	3	3	0	0	8
1987	1	5	6	0	0	12
1988	1	4	3	0	0	8
1989	0	7	4	0	0	11
1990	4	9	5	0	0	18
1991	1	10	6	0	0	17
1992	3	1	12	0	0	16
1993	2	26	14	0	0	42
1994	5	28	22	0	0	55
1995	4	8	10	0	0	22
1996	3	23	14	0	0	40
1997	3	34	12	0	0	49
1998	3	49	14	0	0	66
1999	0	33	10	0	0	43
2000	5	51	16	0	0	72
2001	2	42	12	0	0	56
2002	0	34	20	0	0	54
2003	2	65	28	0	0	95
2004	2	43	11	0	0	56
2005	4	81	23	0	0	108
2006	2	34	32	0	0	68
2007	0	40	34	0	0	74
2008	0	34	43	0	0	77
2009	0	61	48	0	0	109
2010	7	89	101	0	0	197
2011	2	30	78	0	0	110
2012	5	191	131	0	0	327
2013	6	189	123	0	0	318
2014	8	220	161	0	0	389
2015	8	287	238	0	0	533
2016	11	420	272	0	0	703
2017	8	376	244	0	0	628
2018	11	440	350	0	0	801
2019	18	510	354	0	0	882
2020	1	5	0	0	0	6
2021	0	2	0	0	0	2
2022	0	0	0	0	0	0
Total	138	3495	2477	0	0	6110