*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan00005454
Feb011601330
Mar00770077
Apr0119400195
May32513300287
Jun34994600548
Jul2810735800493
Aug25115700183
Sep2020700209
Oct0012000120
Nov00220022
Dec0016187104
Total61860124611542322