*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan00027309336
Feb362589131407
Mar81760400629
Apr98561004001158
May2831331726002142
Jun2061401041001387
Jul612148700569
Aug3234700352
Sep5338100389
Oct0028100281
Nov0026900269
Dec001381763902
Total66737865363712038821