Frequencies for first 10,000 rows of intermediary variable in psfhos201504 dataset :

Intermediar |
   y Number |      Freq.     Percent        Cum.
------------+-----------------------------------
       6001 |        658        6.58        6.58
       6014 |        756        7.56       14.14
       6101 |        137        1.37       15.51
       8101 |          1        0.01       15.52
      11001 |      3,728       37.28       52.80
      14011 |        283        2.83       55.63
      15004 |      4,437       44.37      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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