*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan00015948963
Feb001871222410
Mar0440800412
Apr41080400818
May51303268001576
Jun81390451001849
Jul81841216001408
Aug7201708001735
Sep281522001532
Oct1271900722
Nov0049700497
Dec00225112811507
Total352921800517245113429