*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0005414331487
Feb0252045311057
Mar13879500834
Apr010575500860
May91476289001774
Jun381149467001654
Jul241291027001180
Aug7380600816
Sep0074700747
Oct0152700528
Nov0152400525
Dec00271315661840
Total792904672861353013302