*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	0	37	0	0	37
May	0	0	197	0	0	197
Jun	0	0	52	0	0	52
Jul	0	0	6	0	0	6
Aug	0	0	14	0	0	14
Sep	0	0	207	0	0	207
Oct	0	0	26	0	0	26
Nov	0	0	0	0	0	0
Dec	0	0	0	0	0	0
Total	0	0	539	0	0	539