Frequencies for first 10,000 rows of wksht_cd variable in snf_alpha2540_96_1999

   wksht_cd |      Freq.     Percent        Cum.
------------+-----------------------------------
    A000000 |      5,345       53.45       53.45
    A81000A |         96        0.96       54.41
    A81000B |        508        5.08       59.49
    A81000C |        494        4.94       64.43
    B100000 |      1,583       15.83       80.26
    E10A180 |        129        1.29       81.55
    H510100 |          4        0.04       81.59
    H510200 |          1        0.01       81.60
    H710000 |          6        0.06       81.66
    S000000 |        129        1.29       82.95
    S200000 |      1,576       15.76       98.71
    S410002 |          1        0.01       98.72
    S700003 |        128        1.28      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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