Frequencies for first 10,000 rows of intermediary variable in psfhos201507 dataset :

Intermediar |
   y Number |      Freq.     Percent        Cum.
------------+-----------------------------------
       6001 |        661        6.61        6.61
       6014 |        764        7.64       14.25
       6101 |        137        1.37       15.62
       8101 |          1        0.01       15.63
      11001 |      3,702       37.02       52.65
      14011 |        283        2.83       55.48
      15004 |      4,452       44.52      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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