Frequencies for state variable in snp2012 dataset :

          State |      Freq.     Percent        Cum.
----------------+-----------------------------------
        Alabama |         73        0.99        0.99
        Arizona |         71        0.96        1.95
       Arkansas |        477        6.47        8.42
     California |        121        1.64       10.06
       Colorado |         54        0.73       10.79
    Connecticut |         10        0.14       10.93
       Delaware |         15        0.20       11.13
        Florida |        593        8.04       19.17
        Georgia |        487        6.60       25.78
         Hawaii |         15        0.20       25.98
          Idaho |         33        0.45       26.43
       Illinois |         34        0.46       26.89
        Indiana |         55        0.75       27.63
           Iowa |         18        0.24       27.88
         Kansas |          2        0.03       27.91
      Louisiana |        117        1.59       29.49
          Maine |         15        0.20       29.69
       Maryland |         59        0.80       30.49
  Massachusetts |         35        0.47       30.97
       Michigan |         96        1.30       32.27
      Minnesota |        319        4.33       36.60
    Mississippi |        110        1.49       38.09
       Missouri |        433        5.87       43.96
       Nebraska |          6        0.08       44.04
         Nevada |          9        0.12       44.16
     New Jersey |         67        0.91       45.07
     New Mexico |         39        0.53       45.60
       New York |        381        5.17       50.77
 North Carolina |        112        1.52       52.28
           Ohio |        173        2.35       54.63
       Oklahoma |         10        0.14       54.77
         Oregon |         30        0.41       55.17
   Pennsylvania |        231        3.13       58.31
    Puerto Rico |      1,092       14.81       73.11
   Rhode Island |          4        0.05       73.17
 South Carolina |        168        2.28       75.44
      Tennessee |        429        5.82       81.26
          Texas |      1,167       15.82       97.08
           Utah |         13        0.18       97.26
       Virginia |         18        0.24       97.51
     Washington |         51        0.69       98.20
Washington D.C. |          5        0.07       98.26
  West Virginia |          2        0.03       98.29
      Wisconsin |        126        1.71      100.00
----------------+-----------------------------------
          Total |      7,375      100.00

by Jean Roth , jroth@nber.org , 14 Apr 2016