*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan00015788803
Feb001661174341
Mar0435500359
Apr4966900682
May51031258001294
Jun81142445001595
Jul7651090001162
Aug7201273001300
Sep271051001060
Oct1255000553
Nov0036200362
Dec00176111071284
Total342280639517206910795