Frequencies for first 10,000 rows of prieu13 variable in h84 dataset :

 PID COV BY |
       PRIV |
 EMPL/UNION |
       PLAN |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      4,566       45.66       45.66
          2 |      5,434       54.34      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Feb 2018