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

  Emergency |
        Use |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,108       91.08       91.08
          1 |         17        0.17       91.25
          . |        875        8.75      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Apr 2016