*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan00001010
Feb000011
Mar20110013
Apr5264800655
May5331436001474
Jun131741039001244
Jul722047300565
Aug12351800533
Sep4045900463
Oct1146200464
Nov0016200162
Dec001605167
Total23213352240625651