Frequencies for rest_use variable in person dataset :

  RESTRAINT |
 SYSTEM USE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        544       50.51       50.51
          2 |         37        3.44       53.95
          3 |        410       38.07       92.01
          4 |          3        0.28       92.29
          5 |         26        2.41       94.71
         99 |         57        5.29      100.00
------------+-----------------------------------
      Total |      1,077      100.00

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