Frequencies for first 10,000 rows of wksht_cd variable in snf_alpha2540_96_2005

   wksht_cd |      Freq.     Percent        Cum.
------------+-----------------------------------
    A000000 |      3,967       39.67       39.67
    A81000A |         93        0.93       40.60
    A81000B |        334        3.34       43.94
    A81000C |        769        7.69       51.63
    B100000 |      1,188       11.88       63.51
    E10A180 |         10        0.10       63.61
    H510100 |          2        0.02       63.63
    S000000 |        120        1.20       64.83
    S200000 |      3,516       35.16       99.99
    S410002 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 Feb 2018