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

  emergency |
        use |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,115       91.15       91.15
          1 |          3        0.03       91.18
          9 |          7        0.07       91.25
          . |        875        8.75      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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