*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0005319324
Feb00114077191
Mar01049600506
Apr1231747001771
May101222843002975
Jun722152544002831
Jul822051800620
Aug21331600340
Sep1238400387
Oct0052500525
Nov0023800238
Dec00900399489
Total1873959815579511197