*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0009843852
Feb125214361889
Mar0201388001408
Apr6541309001369
May294265277004571
Jun91191245890019804
Jul4424791471003994
Aug10963700656
Sep0254900551
Oct0055500555
Nov0048700487
Dec0018809281116
Total18125955797113213236252