*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0002481483
Feb001021133236
Mar0018400184
Apr0214100143
May3883164001050
Jun425341553005936
Jul385143845004397
Aug37462729002812
Sep731154001164
Oct0130000301
Nov0015600156
Dec00890629718
Total127679094173124317580