*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0001566567
Feb032250315543
Mar0582200827
Apr4483900847
May25776200794
Jun422450700573
Jul57634100404
Aug35435200391
Sep85148100567
Oct1036000361
Nov4049900503
Dec001410402543
Total253545329112836920