*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan00002323
Feb004015
Mar00700070
Apr5298000987
May2771984002018
Jun5532337002395
Jul1821534001554
Aug6086800874
Sep1047300474
Oct0014800148
Nov00460046
Dec001003949
Total1121484540638643