*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0005960965
Feb002983353654
Mar110065300754
Apr44749700548
May131050842001905
Jun2028841091003995
Jul816451556003209
Aug1161497001514
Sep021109001111
Oct0075900759
Nov0046100461
Dec0020329161121
Total475744896610222916996