*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0006151157
Feb00106384193
Mar0015700157
Apr0016500165
May01270028
Jun241330076
Jul161822200256
Aug9210800119
Sep00370037
Oct0017300173
Nov0020000200
Dec00510256307
Total2762127994911868