*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan00015948963
Feb001741222397
Mar0439700401
Apr41178600801
May51303271001579
Jun81388451001847
Jul81851206001399
Aug7201707001734
Sep281508001518
Oct1270900712
Nov0049900499
Dec00225112831509
Total352921793317245313359