*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	13	0	0	0	13
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	25	3	0	0	28
1994	1	73	6	0	0	80
1995	2	19	8	0	0	29
1996	2	30	5	0	0	37
1997	1	134	9	0	0	144
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	211	13	0	0	227
2004	0	251	28	0	0	279
2005	2	161	16	0	0	179
2006	1	449	29	0	0	479
2007	1	315	19	0	0	335
2008	1	246	25	0	0	272
2009	0	224	61	0	0	285
2010	3	486	35	0	0	524
2011	1	400	53	0	0	454
2012	2	886	31	0	0	919
2013	0	327	40	0	0	367
2014	0	372	13	0	0	385
2015	1	336	31	0	0	368
2016	1	349	44	0	0	394
2017	1	536	58	0	0	595
2018	0	472	64	0	0	536
2019	3	435	73	0	0	511
2020	1	434	140	0	0	575
2021	0	362	72	0	0	434
2022	1	431	75	0	0	507
2023	0	0	5	0	0	5
2024	1	1	5	0	0	7
Total	31	8747	1036	0	0	9814