*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0007879886
Feb18283001320667
Mar12914665100926
Apr158267599001024
May21050982001242
Jun128981067001293
Jul653668800789
Aug162067400710
Sep81376000781
Oct2149200495
Nov1141000412
Dec01243210431289
Total735661686610224210514