*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	2	10	14	0	0	26
1970	0	0	3	0	0	3
1971	0	10	0	0	0	10
1972	0	0	1	0	0	1
1973	0	0	1	0	0	1
1974	0	2	1	0	0	3
1975	0	2	3	0	0	5
1976	0	0	2	0	0	2
1977	0	2	5	0	0	7
1978	0	2	2	0	0	4
1979	0	3	3	0	0	6
1980	1	1	5	0	0	7
1981	0	1	3	0	0	4
1982	0	2	5	0	0	7
1983	0	1	5	0	0	6
1984	0	4	3	0	0	7
1985	1	2	2	0	0	5
1986	0	2	6	0	0	8
1987	1	5	10	0	0	16
1988	1	3	5	0	0	9
1989	3	8	7	0	0	18
1990	2	28	8	0	0	38
1991	9	15	5	0	1	30
1992	7	19	18	0	1	45
1993	15	68	18	0	0	101
1994	4	206	30	0	0	240
1995	10	106	21	0	0	137
1996	6	154	15	0	0	175
1997	5	273	27	0	1	306
1998	6	188	20	0	0	214
1999	3	194	13	0	0	210
2000	11	269	30	0	0	310
2001	7	240	27	0	1	275
2002	2	340	43	0	0	385
2003	6	532	40	0	0	578
2004	3	846	38	0	0	887
2005	6	405	65	0	0	476
2006	6	380	104	0	0	490
2007	9	470	95	0	0	574
2008	7	605	80	0	0	692
2009	15	337	134	0	0	486
2010	16	412	198	0	0	626
2011	5	229	220	0	0	454
2012	16	526	143	0	0	685
2013	17	671	170	0	0	858
2014	25	1148	188	0	0	1361
2015	50	882	260	0	0	1192
2016	32	811	296	0	0	1139
2017	47	1134	303	0	0	1484
2018	33	997	369	0	0	1399
2019	54	1210	377	0	0	1641
2020	18	1291	511	0	0	1820
2021	20	982	402	0	0	1404
2022	19	1221	301	0	0	1541
2023	0	6	4	0	0	10
Total	500	17255	4659	0	4	22418