Frequencies for first 10,000 rows of setorder_r variable in natl2017 dataset :

  Set Order |
   Recode 1 |
        1st |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        140        1.40        1.40
          2 |        139        1.39        2.79
          3 |          1        0.01        2.80
          9 |      9,720       97.20      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 19 Sep 2018