*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	0	0	1	0	0	1
1970	0	0	1	0	0	1
1971	0	0	0	0	0	0
1972	0	0	0	0	0	0
1973	0	0	1	0	3	4
1974	0	0	4	0	6	10
1975	0	0	0	0	8	8
1976	0	0	3	0	12	15
1977	0	0	5	0	11	16
1978	0	0	7	0	12	19
1979	0	0	2	0	15	17
1980	0	0	1	0	14	15
1981	0	0	1	0	18	19
1982	0	0	4	0	22	26
1983	0	0	5	0	17	22
1984	0	0	1	0	20	21
1985	0	2	3	0	17	22
1986	0	2	9	0	19	30
1987	0	2	12	0	20	34
1988	0	2	6	1	23	32
1989	0	9	12	0	19	40
1990	0	15	10	1	19	45
1991	0	16	26	1	17	60
1992	2	7	23	0	21	53
1993	2	8	37	0	22	69
1994	2	25	67	0	29	123
1995	5	9	30	0	22	66
1996	3	22	28	0	21	74
1997	1	17	70	0	27	115
1998	1	35	73	0	31	140
1999	0	18	71	0	20	109
2000	0	22	86	0	35	143
2001	2	7	105	0	35	149
2002	3	1	114	0	22	140
2003	1	3	124	0	24	152
2004	3	7	129	0	25	164
2005	0	0	119	0	33	152
2006	0	5	192	0	36	233
2007	0	2	155	3	36	196
2008	1	5	187	10	27	230
2009	3	11	185	0	52	251
2010	2	1	211	1	50	265
2011	1	1	312	1	64	379
2012	3	11	515	0	118	647
2013	4	1	611	0	121	737
2014	4	8	701	0	176	889
2015	2	8	974	3	285	1272
2016	4	1	1197	0	424	1626
2017	1	8	1443	1	426	1879
2018	2	3	1454	5	483	1947
2019	10	89	1626	9	364	2098
2020	4	1	1950	0	462	2417
2021	3	3	2125	3	482	2616
2022	0	2	1484	2	396	1884
2023	0	1	12	0	0	13
2024	0	0	6	0	3	9
Total	69	390	16530	41	4664	21694