*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0003226229
Feb0067061128
Mar01013300143
Apr11936500385
May31075760001838
Jun25966968001959
Jul646435900487
Aug441125000305
Sep6325800267
Oct0130000301
Nov0017300173
Dec00570457514
Total1432149369037446729