*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	0	1	0	0	0	1
1970	0	0	0	0	0	0
1971	0	1	0	0	0	1
1972	0	0	0	0	0	0
1973	0	0	0	0	0	0
1974	0	2	0	0	0	2
1975	0	7	0	0	0	7
1976	0	0	2	0	0	2
1977	0	0	2	0	0	2
1978	0	1	1	0	0	2
1979	0	7	2	0	0	9
1980	0	4	5	0	0	9
1981	0	1	2	0	0	3
1982	0	0	2	0	0	2
1983	0	1	2	0	0	3
1984	0	0	1	0	0	1
1985	0	1	1	0	0	2
1986	0	1	0	0	0	1
1987	0	5	2	0	0	7
1988	0	1	3	0	0	4
1989	0	14	1	0	0	15
1990	0	13	1	0	0	14
1991	0	6	1	0	0	7
1992	0	7	5	0	0	12
1993	0	26	3	0	0	29
1994	1	78	6	0	0	85
1995	2	19	8	0	0	29
1996	2	30	5	0	0	37
1997	1	135	9	0	0	145
1998	1	89	7	0	0	97
1999	1	72	12	0	0	85
2000	0	195	6	0	0	201
2001	0	132	5	0	0	137
2002	0	215	12	0	0	227
2003	3	212	13	0	0	228
2004	0	251	28	0	0	279
2005	2	161	15	0	0	178
2006	1	449	29	0	0	479
2007	1	315	18	0	0	334
2008	1	246	25	0	0	272
2009	0	228	62	0	0	290
2010	3	486	36	0	0	525
2011	1	402	53	0	0	456
2012	2	901	41	0	0	944
2013	0	338	49	0	0	387
2014	0	395	19	0	0	414
2015	3	397	49	0	0	449
2016	3	402	72	0	0	477
2017	2	605	91	0	0	698
2018	1	590	120	0	0	711
2019	3	566	119	0	0	688
2020	0	152	0	0	0	152
2021	0	68	0	0	0	68
2022	0	0	0	0	0	0
Total	34	8228	945	0	0	9207