Frequencies for first 10,000 rows of intermediary variable in psfhos201604 dataset :

Intermediar |
   y Number |      Freq.     Percent        Cum.
------------+-----------------------------------
       6001 |        558        5.58        5.58
       6014 |        771        7.71       13.29
       6101 |        137        1.37       14.66
       8101 |          1        0.01       14.67
      11001 |      3,493       34.93       49.60
      14011 |        283        2.83       52.43
      15004 |      4,757       47.57      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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