*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0003665186554
Feb0419432222904259
Mar9244072004105
Apr16444017004077
May493636742007154
Jun106239777080010211
Jul424543891004387
Aug392748002760
Sep093565003574
Oct013677003678
Nov002823002823
Dec011548646706225
Total225330642734641347859807