*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0002418071831
Feb0067778081492
Mar071328001335
Apr3231491001517
May227832215008069
Jun43178374320018312
Jul2355492910008482
Aug13272653002693
Sep372153002163
Oct021242001244
Nov0081500815
Dec10375217762154
Total108312841429133439150107