*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0008665673
Feb001782196376
Mar72335500385
Apr61235300371
May3854517000753
Jun109889141001139
Jul127153854001134
Aug343871500787
Sep10458200596
Oct0034400344
Nov0022900229
Dec0015929631124
Total331166440801218247911