*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0000702702
Feb101161183301
Mar742739100492
Apr168511158001377
May205302180002415
Jun169612896003126
Jul90261961002077
Aug18131501001532
Sep0289800900
Oct0029700297
Nov0019000190
Dec001180829947
Total725210117061171414356