Frequencies for first 10,000 rows of stateres variable in natlterr1999 dataset :

 NCHS State |
         of |
  Residence |      Freq.     Percent        Cum.
------------+-----------------------------------
         10 |          2        0.02        0.02
         16 |          1        0.01        0.03
         31 |          1        0.01        0.04
         33 |          1        0.01        0.05
         39 |          1        0.01        0.06
         44 |          1        0.01        0.07
         47 |          1        0.01        0.08
         52 |      9,988       99.88       99.96
         53 |          1        0.01       99.97
         59 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015