Frequencies for first 10,000 rows of eno6all6 variable in sippp08putm1 dataset :

  EMP: Reason never |
        worked at a |
       long-term pd |      Freq.     Percent        Cum.
--------------------+-----------------------------------
    Not in Universe |      9,513       95.13       95.13
     Not applicable |        451        4.51       99.64
Could not find work |         36        0.36      100.00
--------------------+-----------------------------------
              Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 3 Jan 2016