Frequencies for first 10,000 rows of intermediary variable in psfhos201404 dataset :

Intermediar |
   y Number |      Freq.     Percent        Cum.
------------+-----------------------------------
       6001 |        650        6.50        6.50
       6014 |        746        7.46       13.96
       6101 |        137        1.37       15.33
       8101 |          1        0.01       15.34
      11001 |      3,855       38.55       53.89
      14011 |        283        2.83       56.72
      15004 |      4,328       43.28      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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