*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	12	0	0	12
May	0	0	142	0	0	142
Jun	0	0	5	0	0	5
Jul	0	0	8	0	0	8
Aug	0	0	6	0	0	6
Sep	0	0	5	0	0	5
Oct	0	0	0	0	0	0
Nov	0	0	0	0	0	0
Dec	0	0	0	0	0	0
Total	0	0	178	0	0	178