*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0001633634
Feb101370178316
Mar2120100204
Apr1141300415
May21271200726
Jun11847900498
Jul81428900311
Aug13536900387
Sep5182400830
Oct1051700518
Nov0020600206
Dec001281749878
Total34524275215605923