*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0005414331487
Feb0252045311057
Mar13879600835
Apr010575500860
May91476292001777
Jun381149467001654
Jul241291028001181
Aug7380600816
Sep0074700747
Oct0152600527
Nov0152400525
Dec00271315661840
Total792904673261353013306