*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0004616611707
Feb0060176621270
Mar0621201001263
Apr31981233001434
May227502221007745
Jun44165844820017110
Jul2550452794007864
Aug9251943001977
Sep271537001546
Oct0292900931
Nov0062400624
Dec10278214441725
Total106294251184355376745196