*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0001565566
Feb074581368834
Mar1611991002053
Apr11203704003825
May138047929008989
Jun821390311740015159
Jul7011133632004815
Aug3995400966
Sep0456300567
Oct0040900409
Nov0012000120
Dec00770640717
Total17023264140112157339020