*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan00001515
Feb005049
Mar23889100931
Apr171042210002331
May861822757003025
Jun1111822519002812
Jul52601348001460
Aug1423965001002
Sep3465600663
Oct1039200393
Nov00750075
Dec011002940
Total2865941182804812756