*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0002126372658
Feb0492969301869
Mar1152111002127
Apr6733306003385
May2146681577006266
Jun65685937440010668
Jul6516604827006552
Aug8332486002527
Sep382639002650
Oct101634001635
Nov001151001151
Dec00647321982848
Total170133202505130576544336