*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0025240444098
Feb0014124614922950
Mar002253002253
Apr0078600786
May00450045
Jun003003
Jul004004
Aug005005
Sep00690069
Oct001305001305
Nov002091002091
Dec001213627793998
Total009188104831517607