*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan18129000210
Feb4220801125
Mar0001283131
Apr0061256137
May001318867268
Jun0013219396628
Jul00158866169
Aug00293398
Sep0011121114
Oct00096197
Nov00080080
Dec52260730601
Total745375012825442658