*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0002364366
Feb00113092205
Mar01044900459
Apr0191755001774
May61303255003391
Jun662202982003268
Jul922060700719
Aug22342100446
Sep1246600469
Oct0059700597
Nov0034800348
Dec001200470590
Total18740411113292612632