Frequencies for first 10,000 rows of wksht_cd variable in snf_alpha2540_96_2010

   wksht_cd |      Freq.     Percent        Cum.
------------+-----------------------------------
    A000000 |      3,868       38.68       38.68
    A81000A |         86        0.86       39.54
    A81000B |        409        4.09       43.63
    A81000C |        747        7.47       51.10
    B100000 |      1,059       10.59       61.69
    E00A183 |          1        0.01       61.70
    E10A180 |         10        0.10       61.80
    S000000 |        102        1.02       62.82
    S200000 |      3,713       37.13       99.95
    S61C000 |          1        0.01       99.96
    S61D000 |          1        0.01       99.97
    S61E000 |          1        0.01       99.98
    S61F000 |          1        0.01       99.99
    S61G000 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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