*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan00015948963
Feb001871222410
Mar0440800412
Apr4980200815
May51303266001574
Jun81388447001843
Jul81841215001407
Aug7201706001733
Sep281520001530
Oct1271900722
Nov0049700497
Dec00225112811507
Total352918799217245113413