*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0001027472757
Feb3782359341772
Mar66642303002433
Apr218783380003676
May168914433004692
Jun1983636051006612
Jul1201653955004240
Aug26202504002550
Sep6102362002378
Oct111499001501
Nov1090400905
Dec105971016442252
Total8087992881125532535768