*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0005828833
Feb122333261500
Mar0958300592
Apr2361039001077
May16491407001472
Jun29581069001156
Jul711356200646
Aug70658300659
Sep40657300619
Oct9249800509
Nov1238500388
Dec001921732925
Total2391837124918219376