*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0002126372658
Feb0492969301869
Mar1152109002125
Apr6733303003382
May2046681562006250
Jun65685937280010652
Jul6516604827006552
Aug8332486002527
Sep382639002650
Oct101634001635
Nov001151001151
Dec00647321982848
Total169133202501530576544299