*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan000000
Feb001012
Mar33826800309
Apr367322040002808
May1056955779007839
Jun1767944804008924
Jul837183315004116
Aug8578400797
Sep01450046
Oct002002
Nov000000
Dec000000
Total4111639380380124843