*Excludes Observations that span multiple months

	B	b	t	W	w
Jan	0	0	0	0	0	0
Feb	0	0	0	0	0	0
Mar	0	0	0	0	0	0
Apr	0	6	11	0	0	17
May	1	1575	88	0	0	1664
Jun	15	6215	193	0	0	6423
Jul	11	889	589	0	0	1489
Aug	1	1	68	0	0	70
Sep	0	1	27	0	0	28
Oct	0	0	2	0	0	2
Nov	0	0	0	0	0	0
Dec	0	0	0	0	0	0
Total	28	8687	978	0	0	9693