*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0002718991926
Feb1489037541652
Mar71563089003252
Apr225163161003699
May835689541006313
Jun1107812677008599
Jul304312396002857
Aug351522001530
Sep081567001575
Oct011356001357
Nov0063100631
Dec00329215571888
Total256146221615932421035279