*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan000000
Feb001012
Mar1225900262
Apr19242394002437
May797124773007976
Jun1889001788009977
Jul9612563519004871
Aug1051085001100
Sep00590059
Oct003003
Nov000000
Dec000000
Total3931741288810126687