*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0005831836
Feb122163262484
Mar0957700586
Apr2361032001070
May16491404001469
Jun29581066001153
Jul711356300647
Aug70658900665
Sep40657200618
Oct9248900500
Nov1238200385
Dec001871734922
Total2391837077918279335