*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan000088
Feb000044
Mar009009
Apr0414900153
May994947500010253
Jun452105512760022376
Jul5727122494005263
Aug29170400734
Sep1413700142
Oct00320032
Nov006006
Dec00102728
Total14133270555803939008