*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0003665356571
Feb0421672222944487
Mar9244138004171
Apr16354069004120
May493576825007231
Jun106239777650010268
Jul424543904004400
Aug392803002815
Sep093664003673
Oct013788003789
Nov002918002918
Dec011597646736277
Total225329143638641350260720