*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	10	2	2	0	0	14
1970	0	0	1	0	0	1
1971	0	0	0	0	0	0
1972	0	0	0	0	0	0
1973	0	1	0	0	0	1
1974	0	0	0	0	0	0
1975	0	28	2	0	0	30
1976	0	1	0	0	0	1
1977	1	1	3	0	0	5
1978	1	0	0	0	0	1
1979	2	7	0	0	0	9
1980	0	5	3	0	0	8
1981	0	1	3	0	0	4
1982	0	0	3	0	0	3
1983	0	0	1	0	0	1
1984	0	1	1	0	0	2
1985	0	0	1	0	0	1
1986	0	2	2	0	0	4
1987	0	3	1	0	0	4
1988	1	11	3	0	0	15
1989	0	4	2	0	0	6
1990	1	19	2	0	0	22
1991	0	5	0	0	0	5
1992	0	19	3	0	0	22
1993	0	30	2	0	0	32
1994	0	145	7	0	0	152
1995	1	83	8	0	0	92
1996	3	104	4	0	0	111
1997	1	173	8	0	0	182
1998	8	153	6	0	0	167
1999	1	96	3	0	0	100
2000	2	191	7	0	0	200
2001	3	155	8	0	0	166
2002	1	285	13	0	0	299
2003	4	318	13	0	0	335
2004	1	376	15	0	0	392
2005	1	141	10	0	0	152
2006	0	262	33	0	0	295
2007	2	425	33	0	0	460
2008	6	190	27	0	0	223
2009	3	293	37	0	0	333
2010	8	394	52	0	0	454
2011	2	274	58	0	0	334
2012	38	540	77	0	0	655
2013	5	564	160	0	0	729
2014	0	672	46	0	0	718
2015	3	420	72	0	0	495
2016	4	401	70	0	0	475
2017	2	462	74	0	0	538
2018	4	431	91	0	0	526
2019	8	423	114	0	0	545
2020	9	374	114	0	1	498
2021	7	401	130	0	0	538
2022	6	574	129	0	0	709
2023	8	689	65	0	0	762
2024	9	567	90	0	0	666
2025	0	0	0	0	0	0
Total	166	10716	1609	0	1	12492