Frequencies for a_c6_28 variable in snf_rollup2540_96_1997 dataset :

    a_c6_28 |      Freq.     Percent        Cum.
------------+-----------------------------------
    -805781 |          1        0.01        0.01
    -127503 |          1        0.01        0.02
     -11400 |          1        0.01        0.03
      -5990 |          1        0.01        0.03
      -1109 |          1        0.01        0.04
       -208 |          1        0.01        0.05
        -36 |          1        0.01        0.06
          4 |          1        0.01        0.07
          5 |          1        0.01        0.08
         96 |          1        0.01        0.08
        135 |          1        0.01        0.09
        290 |          1        0.01        0.10
       1800 |          1        0.01        0.11
       1879 |          1        0.01        0.12
       1902 |          1        0.01        0.13
       2166 |          1        0.01        0.13
       3035 |          1        0.01        0.14
       4054 |          1        0.01        0.15
       4515 |          1        0.01        0.16
       6376 |          1        0.01        0.17
      18025 |          1        0.01        0.18
          . |     11,897       99.82      100.00
------------+-----------------------------------
      Total |     11,918      100.00

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