*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0004126130
Feb113803373
Mar5158600592
Apr291066001077
May749965001021
Jun574761000714
Jul22222400248
Aug7121100219
Sep0113800139
Oct0027600276
Nov0013600136
Dec00320123155
Total101111428242824780