*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0015335341
Feb00954125224
Mar05181214005395
Apr5968388001361
May1135631300680
Jun3942840600873
Jul384524100324
Aug10926200281
Sep2328800293
Oct0526000265
Nov0221700219
Dec00710474545
Total10569972756993410801