*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0001625652581
Feb0079338991695
Mar011641001642
Apr641647001657
May5382487002530
Jun222553143003420
Jul13522009002074
Aug4161622001642
Sep351317001325
Oct0099800998
Nov0089300893
Dec00588421472739
Total533711713823561123196