*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0004391395
Feb001870153340
Mar0465000654
Apr2873300743
May93169700737
Jun301837200420
Jul39720300249
Aug17010000117
Sep00600060
Oct0016400164
Nov0021600216
Dec001001540641
Total97683482510844736