*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0003665356571
Feb0421672222944487
Mar9244138004171
Apr16354062004113
May493576823007229
Jun106239777640010267
Jul424543903004399
Aug392803002815
Sep093664003673
Oct013787003788
Nov002918002918
Dec011597646736277
Total225329143626641350260708