*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan00015948963
Feb001871222410
Mar0440800412
Apr41080400818
May51303269001577
Jun81390451001849
Jul81841217001409
Aug7201715001742
Sep281525001535
Oct1272100724
Nov0049700497
Dec00225112811507
Total352921801917245113443