Frequencies for first 10,000 rows of wksht_cd variable in snf_alpha2540_96_2002

   wksht_cd |      Freq.     Percent        Cum.
------------+-----------------------------------
    A000000 |      3,921       39.21       39.21
    A81000A |         98        0.98       40.19
    A81000B |        418        4.18       44.37
    A81000C |        726        7.26       51.63
    B100000 |      1,325       13.25       64.88
    E10A180 |         54        0.54       65.42
    H510100 |          1        0.01       65.43
    S000000 |        136        1.36       66.79
    S200000 |      3,321       33.21      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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