*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0000236236
Feb0163187152
Mar0112500126
Apr01048300493
May152479100830
Jun153057700622
Jul243744100502
Aug23748200512
Sep4073400738
Oct0020300203
Nov00920092
Dec10592354416
Total82110405036774922