Frequencies for a_c2_43 variable in snf_rollup2540_96_2011 dataset :

    a_c2_43 |      Freq.     Percent        Cum.
------------+-----------------------------------
        227 |          1        0.06        0.06
       1563 |          1        0.06        0.11
       1619 |          1        0.06        0.17
       7230 |          1        0.06        0.22
      13658 |          1        0.06        0.28
          . |      1,804       99.72      100.00
------------+-----------------------------------
      Total |      1,809      100.00

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