*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan000033
Feb001001
Mar00100010
Apr0417800182
May11556218001775
Jun13339494003501
Jul2914011199002629
Aug14848500507
Sep111043001045
Oct0122500226
Nov006006
Dec00011718
Total58636534591209903