*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0004734738
Feb002780281559
Mar1892800937
Apr1451540001586
May24591572001655
Jun1341121424001670
Jul165171037001219
Aug681274900829
Sep15466900688
Oct3050300506
Nov1039300394
Dec0016919531123
Total41225792625196811904