*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0002417611785
Feb034941464962
Mar06390900972
Apr08683500921
May42659133002796
Jun305980165006175
Jul181653957002628
Aug15742900451
Sep2765100660
Oct0084500845
Nov0182000821
Dec01404415151924
Total6910460664229374020940