Frequencies for first 10,000 rows of mrterr variable in natlterr2008 dataset :

   Mother's |
  Residence |
Territory/P |
   osession |
        U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
         AS |      1,332       13.32       13.32
         GU |      3,455       34.55       47.87
         MP |      1,265       12.65       60.52
         PR |      3,932       39.32       99.84
         US |          4        0.04       99.88
         VI |          1        0.01       99.89
         XX |         11        0.11      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 3 May 2016