*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0012912121242
Feb003389302649
Mar05589000945
Apr32561397001656
May112518740003269
Jun2828913214006133
Jul2918875800975
Aug10235000362
Sep2545900466
Oct1150700509
Nov0238200384
Dec00207512021414
Total845918924343271618004