*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan15923070189
Feb6040771142
Mar0001095114
Apr003771191
May001323241614406
Jun00156891076911473
Jul001645942264701
Aug00726222291
Sep0022006208
Oct00092294
Nov00061061
Dec66531440713
Total884305723091920322483