*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan000910611070
Feb033835395786
Mar0564900654
Apr11463300648
May171468533002018
Jun10125901503004194
Jul646881874002626
Aug91097200991
Sep1794100949
Oct0059900599
Nov0056400564
Dec00252213711625
Total1934785890316282716724