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

  emergency |
        use |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,024       90.24       90.24
          2 |          5        0.05       90.29
          5 |          9        0.09       90.38
          6 |          2        0.02       90.40
          9 |          7        0.07       90.47
          . |        953        9.53      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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