Frequencies for first 10,000 rows of state variable in person dataset :

      state |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      2,860       28.60       28.60
          2 |        168        1.68       30.28
          4 |      2,496       24.96       55.24
          5 |      1,549       15.49       70.73
          6 |      2,927       29.27      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016