*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan000088
Feb001045
Mar008008
Apr07312700200
May1994157570010191
Jun491927112970020617
Jul4922402383004672
Aug19350400526
Sep149500100
Oct00220022
Nov006006
Dec00102728
Total13731006520103936383