*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0008372380
Feb001061153260
Mar01330000313
Apr4242950001196
May3554741313006822
Jun56834373270015726
Jul429424483005467
Aug13352393002441
Sep121199001202
Oct0019200192
Nov00980098
Dec00641498563
Total151150511842510102334660