*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0001321142127
Feb47822128641709
Mar111562049002216
Apr3681121720002200
May343881872002303
Jun3481552224002727
Jul344832377002804
Aug33241484001541
Sep271377001386
Oct101307001308
Nov0068200682
Dec00550215722124
Total15545321646427455023127