*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0002126372658
Feb0492969301869
Mar1152116002132
Apr6733327003406
May2146691583006273
Jun65685937500010674
Jul6516604840006565
Aug8332494002535
Sep382644002655
Oct101641001642
Nov001162001162
Dec00648321982849
Total170133212513430576544420