*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0003612615
Feb001671196364
Mar2430600312
Apr14562004002074
May201253553003698
Jun433394151004533
Jul881192227002434
Aug23191464001506
Sep2111316001329
Oct0035100351
Nov0023200232
Dec001811695877
Total192673159525150318325