*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0001792793
Feb101650232398
Mar2124800251
Apr1152000522
May31490100918
Jun11956200582
Jul101433400358
Aug13549500513
Sep521100001107
Oct1064300644
Nov0029600296
Dec0017718751053
Total37565441218997435