Frequencies for first 10,000 rows of fed_pgm_sprt_sw variable in pos2009 dataset :

    FEDERAL |
    PROGRAM |
    SUPPORT |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,394       93.94       93.94
          N |        535        5.35       99.29
          Y |         71        0.71      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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