*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0003423292363
Feb1178837011494
Mar221542001546
Apr641550001560
May6322134002172
Jun212562728003005
Jul14511705001770
Aug3161213001232
Sep3595900967
Oct0075300753
Nov1070100702
Dec01426416342065
Total573681449941466419629