*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0002432643288
Feb3514181114582895
Mar22454809004876
Apr176966100006372
May4961998576009271
Jun4391533831004423
Jul153262221002400
Aug931689001701
Sep431959001966
Oct001720001720
Nov001653001653
Dec00876127013578
Total13025303485236742344143