*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0002126372658
Feb0492969301869
Mar1152111002127
Apr6733306003385
May2146691579006269
Jun65685937480010672
Jul6516604837006562
Aug8332491002532
Sep382643002654
Oct101636001637
Nov001152001152
Dec00648321982849
Total170133212508030576544366