*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0000124124
Feb102904070
Mar5053800543
Apr291121001132
May6491046001101
Jun584869900805
Jul23225500280
Aug7123800246
Sep0115900160
Oct0029500295
Nov0016300163
Dec00400145185
Total102110458303095104