*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0009843852
Feb125214361889
Mar0201388001408
Apr6581313001377
May294271284004584
Jun91191245910019806
Jul4424791471003994
Aug10963700656
Sep0254900551
Oct0055600556
Nov0048900489
Dec0018809281116
Total18125965798713213236278