*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan00102526
Feb001501025
Mar1112300125
Apr1520800214
May11740900427
Jun34321099001165
Jul7634900362
Aug0120300204
Sep2016300165
Oct0011600116
Nov00950095
Dec00160103119
Total5652279701383043