*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0003360606093
Feb853120322021884356
Mar662814193004936
Apr9821032945004030
May847813450004378
Jun594993222003915
Jul220332977003230
Aug74142350002438
Sep1031780001793
Oct232090002095
Nov222506002510
Dec101568637685343
Total347945029113591201645117