*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan000000
Feb001012
Mar1226000263
Apr19242398002441
May797124781007984
Jun1889001789009978
Jul9612563520004872
Aug1051087001102
Sep00590059
Oct003003
Nov000000
Dec000000
Total3931741288980126704