*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0001469470
Feb011260164291
Mar0658900595
Apr1351045001081
May142573100770
Jun402038500445
Jul31719800236
Aug5027400279
Sep1029000291
Oct0045000450
Nov0052400524
Dec001220497619
Total92944734111306051