*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	0	1	7	0	0	8
1970	0	0	0	0	0	0
1971	0	0	0	0	0	0
1972	0	0	5	0	0	5
1973	0	0	0	0	0	0
1974	0	0	1	0	0	1
1975	0	0	2	0	0	2
1976	0	0	1	0	0	1
1977	0	0	7	0	0	7
1978	1	0	2	0	0	3
1979	0	0	4	0	0	4
1980	0	0	7	0	0	7
1981	0	0	4	0	0	4
1982	0	0	5	0	0	5
1983	0	0	2	0	0	2
1984	0	0	5	0	0	5
1985	0	2	10	0	0	12
1986	1	2	17	0	0	20
1987	1	1	12	0	0	14
1988	0	0	7	0	0	7
1989	0	8	5	0	0	13
1990	0	6	10	0	0	16
1991	1	10	26	0	0	37
1992	3	1	27	0	0	31
1993	4	11	41	0	3	59
1994	4	21	68	0	2	95
1995	4	10	94	0	1	109
1996	3	10	70	0	0	83
1997	5	10	117	0	3	135
1998	2	19	98	0	0	119
1999	8	4	45	0	2	59
2000	3	15	96	0	1	115
2001	6	5	111	0	3	125
2002	0	2	116	0	0	118
2003	8	3	137	0	3	151
2004	2	9	135	0	1	147
2005	3	3	140	0	0	146
2006	2	11	161	0	1	175
2007	8	8	127	0	2	145
2008	6	14	135	0	0	155
2009	7	4	228	0	0	239
2010	6	9	265	0	0	280
2011	4	16	314	0	0	334
2012	10	20	411	0	1	442
2013	18	25	488	0	1	532
2014	21	39	510	0	1	571
2015	21	26	679	0	2	728
2016	15	21	859	0	3	898
2017	36	38	1071	0	6	1151
2018	30	84	1177	0	5	1296
2019	29	51	1267	0	0	1347
2020	24	46	1506	0	1	1577
2021	31	36	1589	0	4	1660
2022	25	48	1419	0	1	1493
2023	4	17	44	0	0	65
2024	0	1	9	0	1	11
Total	356	667	13693	0	48	14764