*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0003263266
Feb0082080162
Mar01016100171
Apr11943100451
May31317763002083
Jun281157973002158
Jul7711040000587
Aug471133900397
Sep6438000390
Oct0143900440
Nov0022100221
Dec00760495571
Total1622629426538387897