*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0009745754
Feb024584328792
Mar0201188001208
Apr6541043001103
May263584276003886
Jun78176695880018335
Jul4022161362003618
Aug9945200470
Sep0239100393
Oct0041300413
Nov0032700327
Dec001440832976
Total15923556664213190532275