*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0005830835
Feb122163261483
Mar0957700586
Apr2361032001070
May16491404001469
Jun29581066001153
Jul711356000644
Aug70658600662
Sep40657000616
Oct9248900500
Nov1238200385
Dec001871734922
Total2391837069918259325