*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan1040032109
Feb241022047
Mar00355814107
Apr009825937394
May0011254319674
Jun00105908481061
Jul006557420659
Aug00174087432
Sep0001970197
Oct00056056
Nov00031031
Dec40301330437
Total531143330921474204