*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0002311221145
Feb003149302625
Mar0781300820
Apr2461377001425
May102303706003019
Jun2728673198006092
Jul2718876000975
Aug10234200354
Sep2543400441
Oct1148400486
Nov0237400376
Dec00207512021414
Total795421900937262617172