*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0076106119
Feb003513470
Mar13570061
Apr2767800111
May75267100172
Jun1596418500408
Jul972620900332
Aug3621700226
Sep1015600157
Oct00810081
Nov00640064
Dec00613440504
Total3631311221105802305