*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0007267274
Feb00862111199
Mar0019900199
Apr0010600106
May533141500751
Jun1314591268002740
Jul138661020001899
Aug4857100583
Sep2343700442
Oct0027000270
Nov0016500165
Dec00473351401
Total3726674584127298029