*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0001241242
Feb0079064143
Mar5145900465
Apr361375001384
May51011624001730
Jun32891557001678
Jul594342000522
Aug18925200279
Sep1029500296
Oct0049100491
Nov0034200342
Dec00810301382
Total123249697516067954