*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0000375375
Feb001330157290
Mar0248100483
Apr01063100641
May63365900698
Jun321837200422
Jul43622000269
Aug20011800138
Sep20680070
Oct0014300143
Nov0020700207
Dec001071599707
Total103693139111314443