*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0000355355
Feb001530153306
Mar0253400536
Apr0865700665
May63267100709
Jun291735700403
Jul39620600251
Aug17010000117
Sep00590059
Oct0012300123
Nov0019600196
Dec001001540641
Total91653156110484361