*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0003423172351
Feb1178836951488
Mar221535001539
Apr641546001556
May6322126002164
Jun212552721002997
Jul14511699001764
Aug3161209001228
Sep3595700965
Oct0075300753
Nov1069800699
Dec01426416342065
Total573671445841464619569