*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0001210351047
Feb033322353690
Mar110170900811
Apr44854000592
May151050946002011
Jun2126441435004100
Jul914851768003262
Aug1151579001595
Sep021189001191
Oct0082300823
Nov0049200492
Dec0020329161121
Total5153481001616230417735