*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan15122020175
Feb4840550107
Mar00096298
Apr00222232256
May009730211950
Jun002032488134081
Jul0021369175565
Aug0071022111
Sep00188392
Oct0011081110
Nov00072274
Dec66520510718
Total8642861514312417337