*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0001202203
Feb00131092223
Mar151591001597
Apr3181503001524
May33791554001666
Jun431331304001480
Jul32821000250
Aug6225700265
Sep0132500326
Oct0034700347
Nov0024600246
Dec00860424510
Total118246755417188637