*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan000910621071
Feb033835395786
Mar0565100656
Apr11463200647
May171468539002024
Jun10325901508004201
Jul646881876002628
Aug91097500994
Sep1794400952
Oct0060300603
Nov0056700567
Dec00254213721628
Total1954785893216282916757