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

  RESTRAINT |
 SYSTEM USE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      3,753       37.53       37.53
          1 |         44        0.44       37.97
          2 |        176        1.76       39.73
          3 |      4,622       46.22       85.95
          4 |        182        1.82       87.77
          5 |        258        2.58       90.35
          6 |          9        0.09       90.44
          8 |         13        0.13       90.57
         13 |          8        0.08       90.65
         14 |         16        0.16       90.81
         15 |          5        0.05       90.86
         99 |        914        9.14      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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