*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	0	1	7	0	1	9
1970	0	0	0	0	0	0
1971	0	2	0	0	0	2
1972	0	0	0	0	0	0
1973	0	0	2	0	0	2
1974	0	0	1	0	0	1
1975	0	7	4	0	0	11
1976	0	1	5	0	0	6
1977	1	0	7	0	0	8
1978	0	0	1	0	0	1
1979	0	3	3	0	0	6
1980	0	3	1	0	0	4
1981	0	0	1	0	0	1
1982	0	0	9	0	0	9
1983	0	0	5	0	0	5
1984	0	0	2	0	0	2
1985	1	3	1	0	0	5
1986	0	2	7	0	0	9
1987	0	7	4	0	0	11
1988	0	8	7	0	0	15
1989	0	6	12	0	0	18
1990	2	24	9	0	0	35
1991	7	13	20	0	0	40
1992	2	14	10	0	0	26
1993	3	65	19	0	0	87
1994	3	182	25	0	0	210
1995	3	102	12	0	0	117
1996	10	127	12	0	0	149
1997	7	491	18	0	0	516
1998	2	509	30	0	0	541
1999	2	280	14	0	0	296
2000	2	457	32	0	0	491
2001	2	409	19	0	0	430
2002	0	374	53	0	1	428
2003	4	420	49	0	0	473
2004	1	559	32	0	0	592
2005	0	446	93	0	0	539
2006	2	458	62	0	0	522
2007	0	460	81	0	0	541
2008	0	206	120	0	0	326
2009	0	131	132	0	0	263
2010	1	246	176	0	0	423
2011	0	315	244	0	0	559
2012	0	673	197	0	0	870
2013	3	553	184	0	0	740
2014	0	545	106	0	0	651
2015	0	717	195	0	0	912
2016	1	705	239	0	0	945
2017	3	972	313	0	0	1288
2018	2	889	353	0	1	1245
2019	3	916	361	0	1	1281
2020	2	915	524	0	0	1441
2021	1	977	454	0	0	1432
2022	6	1067	287	0	0	1360
2023	0	4	23	0	0	27
2024	0	2	14	0	0	16
Total	76	15266	4591	0	4	19937