Frequencies for first 10,000 rows of intermediary variable in psfhos dataset :

Intermediar |
   y Number |      Freq.     Percent        Cum.
------------+-----------------------------------
       6001 |         91        0.91        0.91
       6014 |        891        8.91        9.82
       6101 |        137        1.37       11.19
       8101 |          1        0.01       11.20
      11001 |      3,496       34.96       46.16
      14011 |        122        1.22       47.38
      15004 |      5,262       52.62      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 24 Sep 2018