*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0001633634
Feb101370178316
Mar2119900202
Apr1141300415
May21271000724
Jun11847600495
Jul81428800310
Aug13536900387
Sep5182200828
Oct1051300514
Nov0020100201
Dec001261749876
Total34524254215605902