Frequencies for nationalpayment variable in hqi_national_payment dataset :

   National |
    payment |      Freq.     Percent        Cum.
------------+-----------------------------------
    $14,294 |          1       33.33       33.33
    $15,223 |          1       33.33       66.67
    $21,791 |          1       33.33      100.00
------------+-----------------------------------
      Total |          3      100.00

by Jean Roth , jroth@nber.org , 16 Nov 2016