*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	0	0	0	0	0	0
1970	0	0	0	0	0	0
1971	0	0	0	0	0	0
1972	0	0	0	0	0	0
1973	0	0	0	0	0	0
1974	0	0	0	0	0	0
1975	0	0	0	0	0	0
1976	0	0	0	0	0	0
1977	0	0	0	0	0	0
1978	0	0	0	0	0	0
1979	0	0	0	0	0	0
1980	0	0	0	0	0	0
1981	0	0	0	0	0	0
1982	0	0	0	0	0	0
1983	0	0	0	0	0	0
1984	0	0	0	0	0	0
1985	0	0	0	0	0	0
1986	0	0	0	0	0	0
1987	0	0	0	0	0	0
1988	0	0	0	0	0	0
1989	0	0	0	0	0	0
1990	0	0	0	0	0	0
1991	0	0	1	0	0	1
1992	0	0	0	0	0	0
1993	0	0	0	0	0	0
1994	0	0	0	0	0	0
1995	0	0	0	0	0	0
1996	0	0	0	0	0	0
1997	0	0	3	0	0	3
1998	0	0	1	0	0	1
1999	0	0	1	0	0	1
2000	0	0	2	0	1	3
2001	0	1	1	0	0	2
2002	0	0	2	0	0	2
2003	0	0	5	0	1	6
2004	0	3	4	0	2	9
2005	0	7	8	0	7	22
2006	0	3	19	0	8	30
2007	1	0	34	1	24	60
2008	0	2	54	2	24	82
2009	0	3	97	0	35	135
2010	1	4	95	0	49	149
2011	2	0	181	0	51	234
2012	2	14	322	0	89	427
2013	5	5	536	3	84	633
2014	1	8	581	1	174	765
2015	2	13	906	2	277	1200
2016	2	12	1190	1	368	1573
2017	6	28	1488	2	390	1914
2018	7	18	1512	3	416	1956
2019	6	19	1762	6	341	2134
2020	2	20	2255	1	433	2711
2021	0	15	2227	1	508	2751
2022	1	18	1751	1	352	2123
2023	0	2	4	0	0	6
Total	38	195	15042	24	3634	18933