*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan00012825837
Feb003120280592
Mar1131120001134
Apr3511649001703
May29631737001829
Jun1291141468001711
Jul135191022001176
Aug301275900801
Sep5468400693
Oct0055300553
Nov1039000391
Dec0016919491119
Total333276986313205412539