*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0002418071831
Feb0067778081492
Mar071323001330
Apr3231488001514
May227831212008065
Jun43178374310018311
Jul2355492907008479
Aug13272649002689
Sep372148002158
Oct021240001242
Nov0081300813
Dec10374217762153
Total108312831426233439150077