*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan00102526
Feb001501025
Mar1112300125
Apr1520900215
May11741100429
Jun34341100001168
Jul7635000363
Aug0120500206
Sep2016400166
Oct0011600116
Nov00950095
Dec00160103119
Total5654280501383053