*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	0	4	7	0	0	11
1970	0	0	7	0	0	7
1971	0	1	1	0	0	2
1972	0	0	1	0	0	1
1973	0	1	2	0	0	3
1974	0	1	3	0	0	4
1975	0	2	2	0	0	4
1976	0	3	2	0	0	5
1977	1	1	3	0	0	5
1978	0	0	2	0	0	2
1979	0	4	7	0	0	11
1980	0	1	4	0	0	5
1981	1	1	5	0	0	7
1982	0	2	13	0	0	15
1983	0	0	2	0	1	3
1984	0	1	3	0	0	4
1985	0	3	5	0	0	8
1986	0	6	13	0	0	19
1987	0	4	14	0	3	21
1988	0	5	8	0	0	13
1989	0	3	12	0	1	16
1990	0	11	10	0	2	23
1991	0	27	32	0	0	59
1992	1	161	21	0	1	184
1993	1	618	30	0	3	652
1994	3	2214	40	0	0	2257
1995	0	2080	40	0	0	2120
1996	0	1957	33	0	0	1990
1997	0	620	26	0	2	648
1998	1	1216	44	0	1	1262
1999	0	48	23	0	1	72
2000	4	1452	56	0	1	1513
2001	0	911	61	0	1	973
2002	0	1616	42	0	0	1658
2003	1	1106	47	0	0	1154
2004	1	1938	43	0	3	1985
2005	2	216	63	0	1	282
2006	1	1037	74	0	1	1113
2007	1	1492	127	0	1	1621
2008	0	847	90	0	0	937
2009	0	214	123	0	3	340
2010	3	415	189	0	3	610
2011	0	628	220	0	4	852
2012	1	977	288	0	2	1268
2013	12	1238	339	0	1	1590
2014	2	1468	325	0	0	1795
2015	5	1317	414	0	1	1737
2016	3	1675	487	0	0	2165
2017	5	1718	558	0	1	2282
2018	7	1854	628	0	1	2490
2019	7	1562	666	0	3	2238
2020	2	1916	890	0	4	2812
2021	3	1653	760	0	2	2418
2022	4	1966	342	0	1	2313
2023	0	6	25	0	0	31
2024	0	0	0	0	0	0
Total	72	38217	7272	0	49	45610