*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0002113115
Feb013914788
Mar03780081
Apr05930098
May12419900341
Jun2859631200936
Jul6020663100897
Aug183631800372
Sep1119600198
Oct0015000150
Nov0010700107
Dec00230147170
Total1081089204633073553