*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0002660662
Feb012640259524
Mar0191069001088
Apr0451639001684
May18331017001068
Jun392047600535
Jul21533300359
Aug6060700613
Sep2069200694
Oct001054001054
Nov001118001118
Dec002620477739
Total8612385312139610138