*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0005240464098
Feb0014094614912946
Mar002252002252
Apr0078100781
May00450045
Jun002002
Jul004004
Aug005005
Sep00690069
Oct001300001300
Nov002091002091
Dec001212627793997
Total009170104831617590