*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0001241242
Feb0073064137
Mar5145900465
Apr361375001384
May51011610001716
Jun32891552001673
Jul594341800520
Aug18924300270
Sep1028900290
Oct0047500475
Nov0033100331
Dec00810301382
Total123249690616067885