*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0012912121242
Feb003389302649
Mar05589000945
Apr32561398001657
May112518746003275
Jun2828913215006134
Jul2918875900976
Aug10235000362
Sep2545900466
Oct1150700509
Nov0238200384
Dec00207512021414
Total845918925243271618013