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

     Manual |
  Restraint |
 System-Use |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,641       66.41       66.41
          1 |          6        0.06       66.47
          2 |        365        3.65       70.12
          3 |      1,130       11.30       81.42
          4 |         68        0.68       82.10
          5 |        156        1.56       83.66
          8 |        501        5.01       88.67
          9 |      1,133       11.33      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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