Frequencies for first 10,000 rows of fed_pgm_sprt_sw variable in pos2010 dataset :

    FEDERAL |
    PROGRAM |
    SUPPORT |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,375       93.75       93.75
          N |        554        5.54       99.29
          Y |         71        0.71      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017