*Excludes Observations that spanned multiple years

	B	b	t	W	w
Pre 1970	1	0	0	0	4	5
1970	0	0	0	0	0	0
1971	0	0	0	0	0	0
1972	0	0	0	0	0	0
1973	1	1	1	0	1	4
1974	0	0	1	0	1	2
1975	0	0	0	0	0	0
1976	0	0	1	0	2	3
1977	0	0	0	0	2	2
1978	3	0	1	0	1	5
1979	0	0	2	0	0	2
1980	0	0	1	0	1	2
1981	2	0	2	0	0	4
1982	15	3	6	0	1	25
1983	24	2	5	0	0	31
1984	24	6	4	0	0	34
1985	29	8	5	0	1	43
1986	24	9	18	0	1	52
1987	27	10	14	0	1	52
1988	34	11	21	0	5	71
1989	36	12	31	0	4	83
1990	5	2	55	0	2	64
1991	14	2	82	0	0	98
1992	12	6	86	0	3	107
1993	23	9	135	0	4	171
1994	33	2	143	0	8	186
1995	28	5	127	0	0	160
1996	39	12	102	0	0	153
1997	32	13	122	0	2	169
1998	41	11	74	0	2	128
1999	41	49	116	0	7	213
2000	39	47	71	0	0	157
2001	57	51	92	0	3	203
2002	35	50	140	0	1	226
2003	35	38	51	0	0	124
2004	48	66	81	0	1	196
2005	59	98	95	0	2	254
2006	31	78	109	0	3	221
2007	11	2	37	0	1	51
2008	2	5	58	0	1	66
2009	0	0	71	0	2	73
2010	0	0	96	0	0	96
2011	0	2	96	0	2	100
2012	0	1	33	0	0	34
2013	1	0	35	0	0	36
2014	0	1	19	0	0	20
2015	10	0	14	0	0	24
2016	2	2	10	0	0	14
2017	0	0	1	0	0	1
2018	0	4	2	0	0	6
Total	818	618	2266	0	69	3771