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

     Manual |
  Restraint |
 System-Use |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,286       62.86       62.86
          1 |         26        0.26       63.12
          2 |        327        3.27       66.39
          3 |      1,559       15.59       81.98
          4 |         71        0.71       82.69
          5 |        121        1.21       83.90
          8 |        539        5.39       89.29
          9 |      1,071       10.71      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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