Frequencies for first 10,000 rows of wksht_cd variable in snf_alpha2540_10_2013

   wksht_cd |      Freq.     Percent        Cum.
------------+-----------------------------------
    A000000 |      1,952       19.52       19.52
    A6000A0 |         72        0.72       20.24
    A6000B0 |         38        0.38       20.62
    A6000C0 |         22        0.22       20.84
    A6000D0 |          8        0.08       20.92
    A6000E0 |          8        0.08       21.00
    A6000F0 |          6        0.06       21.06
    A6000G0 |          2        0.02       21.08
    A6000H0 |          2        0.02       21.10
    A6000I0 |          1        0.01       21.11
    A800000 |        910        9.10       30.21
    A810001 |        303        3.03       33.24
    A810002 |        383        3.83       37.07
    B10000* |      2,919       29.19       66.26
    B100000 |         37        0.37       66.63
    E10A180 |         62        0.62       67.25
    G000000 |          6        0.06       67.31
    G100000 |         30        0.30       67.61
    G300000 |         42        0.42       68.03
    S000001 |        378        3.78       71.81
    S200001 |      1,609       16.09       87.90
    S200002 |        970        9.70       97.60
    S300004 |         55        0.55       98.15
    S700000 |        185        1.85      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 19 Apr 2018