*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0003266269
Feb0083081164
Mar01016200172
Apr11943300453
May31317768002088
Jun291159975002163
Jul7711040500592
Aug471134400402
Sep6438800398
Oct0144000441
Nov0022200222
Dec00760495571
Total1632631429638427935