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

  RESTRAINT |
 SYSTEM USE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      3,716       37.16       37.16
          1 |         26        0.26       37.42
          2 |        146        1.46       38.88
          3 |      4,625       46.25       85.13
          4 |        189        1.89       87.02
          5 |        276        2.76       89.78
          6 |          4        0.04       89.82
          8 |         19        0.19       90.01
         13 |          9        0.09       90.10
         14 |         17        0.17       90.27
         15 |          8        0.08       90.35
         99 |        965        9.65      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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