*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0002533535
Feb001231157281
Mar0020800208
Apr0217200174
May31130172001305
Jun456564578007187
Jul4510834371005499
Aug40463930004016
Sep731704001714
Oct0142000421
Nov0021800218
Dec001250708833
Total1408829120213139822391