*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	1	2	4	0	0	7
1970	0	0	0	0	0	0
1971	0	0	0	0	0	0
1972	0	0	0	0	0	0
1973	0	0	2	0	0	2
1974	0	2	2	0	0	4
1975	0	2	3	0	0	5
1976	0	2	1	0	0	3
1977	0	2	3	0	0	5
1978	0	1	1	0	0	2
1979	0	3	2	0	0	5
1980	0	1	2	0	0	3
1981	0	0	3	0	0	3
1982	0	2	4	0	0	6
1983	0	0	1	0	0	1
1984	0	1	2	0	0	3
1985	0	3	1	0	0	4
1986	0	2	2	0	0	4
1987	0	5	13	0	0	18
1988	0	3	20	0	0	23
1989	0	6	24	0	0	30
1990	2	18	7	0	0	27
1991	3	15	8	0	0	26
1992	1	252	7	0	0	260
1993	1	539	15	0	0	555
1994	2	1499	33	0	0	1534
1995	0	1188	22	0	0	1210
1996	0	1363	11	0	0	1374
1997	1	864	15	0	0	880
1998	1	1126	15	0	0	1142
1999	0	217	16	0	0	233
2000	1	1174	25	0	0	1200
2001	0	561	21	0	0	582
2002	3	943	38	0	0	984
2003	0	761	39	0	0	800
2004	0	1231	28	0	0	1259
2005	0	452	30	0	0	482
2006	0	526	63	0	0	589
2007	0	854	76	0	0	930
2008	0	453	74	0	0	527
2009	2	70	81	0	0	153
2010	0	340	174	0	0	514
2011	0	246	134	0	0	380
2012	7	500	136	0	2	645
2013	4	652	192	0	0	848
2014	9	634	253	0	0	896
2015	9	877	279	0	0	1165
2016	11	925	334	0	0	1270
2017	18	959	371	0	0	1348
2018	9	1117	415	0	0	1541
2019	12	1017	420	0	0	1449
2020	9	1211	529	0	0	1749
2021	4	1298	533	0	0	1835
2022	2	1269	474	0	0	1745
2023	0	5	0	0	0	5
Total	112	25193	4958	0	2	30265