*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0002587589
Feb1351732220431
Mar013831300451
Apr022735000577
May111456183001650
Jun152064357002436
Jul10824471001305
Aug89252100621
Sep28758700676
Oct07035600426
Nov05027100321
Dec0121160642770
Total47505536984144910253