*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan000522022207
Feb0372937741509
Mar2101463001475
Apr3121493001508
May3492879002931
Jun5392608002652
Jul1151784001800
Aug2111560001573
Sep011268001269
Oct0183700838
Nov0068100681
Dec00476015041980
Total16141157788448020423