*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan00012563575
Feb102130195409
Mar1186500867
Apr073392003399
May321263834003992
Jun1901692025002384
Jul149171256001422
Aug4871639001694
Sep311924001928
Oct112459002461
Nov001481001481
Dec002930549842
Total4253291938112130721454