*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0013929903030
Feb71490659241856
Mar83822543002708
Apr243863595003924
May1861134672004971
Jun2053646121006690
Jul1201683977004265
Aug15202585002620
Sep3102457002470
Oct011527001528
Nov1091400915
Dec105911016332235
Total8648582988954554737212