*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan34726010374
Feb148501570310
Mar0012455251
Apr001426010284
May001773712401994
Jun0019140937055133
Jul00880112132022
Aug00226014276
Sep00032010330
Oct0002232225
Nov0001580158
Dec772701060885
Total126738614677619912242