*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0002420402064
Feb0967457731461
Mar0281353001381
Apr8431397001448
May162564224002804
Jun222459238002719
Jul182611093001372
Aug54999001008
Sep1292400927
Oct0187100872
Nov0078500785
Dec00500519832488
Total705371905834479619329