*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0006151157
Feb00107384194
Mar0015800158
Apr0016500165
May01280029
Jun241330076
Jul161822200256
Aug9410900122
Sep00370037
Oct0017300173
Nov0020000200
Dec00510256307
Total2764128394911874