*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0007882889
Feb18283011322670
Mar12914665400929
Apr158267601001026
May21750986001253
Jun128981068001294
Jul653668800789
Aug162067500711
Sep81376000781
Oct2149300496
Nov1141600418
Dec01244210431290
Total742661688610224710546