*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0009745754
Feb024584328792
Mar0201188001208
Apr6541043001103
May263729276004031
Jun78180795880018745
Jul4022911362003693
Aug9945200470
Sep0239100393
Oct0041300413
Nov0033000330
Dec001440833977
Total15924186664513190632909