*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan00003939
Feb01100617
Mar00490049
Apr11273400747
May1641232001297
Jun1764929001010
Jul181148700516
Aug17232300342
Sep2035000352
Oct0042100421
Nov0015500155
Dec00320115147
Total56154472201605092