*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	1	1	10	0	0	12
1970	0	5	0	0	0	5
1971	0	13	0	0	0	13
1972	0	4	0	0	0	4
1973	0	3	0	0	0	3
1974	0	1	0	0	0	1
1975	0	2	0	0	0	2
1976	0	0	1	0	0	1
1977	0	8	2	0	0	10
1978	0	41	58	0	0	99
1979	0	30	1	0	0	31
1980	0	30	0	0	0	30
1981	0	21	1	0	0	22
1982	0	17	0	0	0	17
1983	0	7	0	0	0	7
1984	0	7	0	0	0	7
1985	0	2	0	0	0	2
1986	0	9	3	0	0	12
1987	0	5	0	0	0	5
1988	0	18	0	0	0	18
1989	0	18	1	0	0	19
1990	0	26	1	0	0	27
1991	0	30	2	0	0	32
1992	0	35	2	0	0	37
1993	0	46	1	0	0	47
1994	0	49	5	0	0	54
1995	1	51	4	0	0	56
1996	1	28	10	0	0	39
1997	2	65	20	0	0	87
1998	1	36	4	0	0	41
1999	1	11	5	0	0	17
2000	0	56	4	0	0	60
2001	0	81	3	0	0	84
2002	0	115	15	0	0	130
2003	3	105	34	0	0	142
2004	0	274	32	0	0	306
2005	1	128	27	0	0	156
2006	0	109	11	0	0	120
2007	0	280	7	0	0	287
2008	2	147	8	0	0	157
2009	1	98	11	0	0	110
2010	0	141	15	0	0	156
2011	0	420	20	0	0	440
2012	0	471	25	0	0	496
2013	0	117	6	0	0	123
2014	0	88	0	0	0	88
2015	0	5	4	0	0	9
2016	0	19	7	0	0	26
2017	0	53	0	0	0	53
2018	0	1	0	0	0	1
Total	14	3327	360	0	0	3701