*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0002420512075
Feb01076457791558
Mar0281389001417
Apr8421407001457
May162584215002815
Jun222469233002724
Jul182621108001388
Aug551015001025
Sep1293900942
Oct0188600887
Nov0080800808
Dec00511519812497
Total705403927534481119593