*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	1	0	9	0	2	12
1970	0	0	0	0	0	0
1971	0	0	1	0	0	1
1972	0	0	0	0	0	0
1973	0	0	0	0	0	0
1974	0	0	1	0	0	1
1975	0	0	0	0	0	0
1976	0	0	1	0	0	1
1977	0	0	0	0	0	0
1978	0	0	2	0	0	2
1979	0	0	3	0	0	3
1980	0	0	1	0	1	2
1981	0	0	1	0	1	2
1982	0	0	2	0	0	2
1983	0	1	4	0	0	5
1984	0	0	3	0	0	3
1985	0	0	1	0	0	1
1986	1	0	4	0	0	5
1987	2	0	7	0	0	9
1988	0	1	8	0	0	9
1989	1	0	7	0	0	8
1990	1	4	13	0	2	20
1991	4	2	26	0	1	33
1992	3	1	11	0	0	15
1993	3	2	24	0	0	29
1994	2	4	31	0	0	37
1995	8	2	41	0	1	52
1996	4	3	22	0	0	29
1997	1	2	32	0	1	36
1998	1	4	15	0	0	20
1999	1	2	13	0	0	16
2000	2	3	20	0	1	26
2001	3	4	21	0	1	29
2002	2	2	21	0	0	25
2003	4	0	35	0	1	40
2004	0	1	31	0	0	32
2005	6	2	36	0	0	44
2006	3	3	26	0	1	33
2007	0	0	28	0	0	28
2008	2	0	43	0	0	45
2009	10	0	97	0	0	107
2010	12	4	169	0	0	185
2011	6	2	206	0	2	216
2012	10	3	241	0	3	257
2013	4	1	151	0	2	158
2014	10	1	107	0	2	120
2015	9	2	109	0	3	123
2016	17	6	119	0	4	146
2017	22	3	177	0	1	203
2018	26	7	163	0	1	197
2019	19	9	187	0	0	215
2020	3	4	261	0	0	268
2021	5	8	203	0	1	217
2022	2	6	188	0	1	197
2023	0	0	9	0	0	9
2024	0	1	4	0	0	5
Total	210	100	2935	0	33	3278