*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0005828833
Feb122333261500
Mar0958300592
Apr2361035001073
May16481405001469
Jun29581068001155
Jul711356100645
Aug69658300658
Sep40657400620
Oct9249800509
Nov1238500388
Dec001921732925
Total2381827117918219367