*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0003754757
Feb001971244442
Mar2438700393
Apr14562505002575
May231404413004576
Jun583444996005398
Jul931212716002930
Aug28202040002088
Sep2111938001951
Oct0047900479
Nov0033100331
Dec0024718561104
Total220696202495185423024