Frequencies for first 10,000 rows of pgm_prtcptn_cd variable in pos2015 dataset

    Program |
Participati |
    on Code |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      4,974       49.74       49.74
          1 |        507        5.07       54.81
          2 |        742        7.42       62.23
          3 |      3,777       37.77      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016