*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan000811021110
Feb062774377664
Mar0581185001243
Apr01331953002086
May34524358004885
Jun269097413009536
Jul3520072812004854
Aug14301285001329
Sep1795700965
Oct0167900680
Nov0043100431
Dec00275514421722
Total79158631062517292129505