Frequencies for state variable in snp2010 dataset :

          State |      Freq.     Percent        Cum.
----------------+-----------------------------------
        Alabama |        176        2.02        2.02
        Arizona |         66        0.76        2.77
       Arkansas |        546        6.26        9.03
     California |        134        1.54       10.57
       Colorado |        108        1.24       11.81
    Connecticut |         17        0.19       12.00
       Delaware |          3        0.03       12.04
        Florida |        575        6.59       18.63
        Georgia |        747        8.56       27.20
         Hawaii |         18        0.21       27.40
          Idaho |         28        0.32       27.72
       Illinois |         38        0.44       28.16
        Indiana |         36        0.41       28.57
           Iowa |          3        0.03       28.61
         Kansas |          7        0.08       28.69
       Kentucky |         32        0.37       29.05
      Louisiana |         90        1.03       30.08
          Maine |         15        0.17       30.26
       Maryland |         59        0.68       30.93
  Massachusetts |         35        0.40       31.33
       Michigan |         72        0.83       32.16
      Minnesota |        484        5.55       37.71
    Mississippi |        169        1.94       39.65
       Missouri |        522        5.98       45.63
       Nebraska |          6        0.07       45.70
         Nevada |          7        0.08       45.78
     New Jersey |         54        0.62       46.40
     New Mexico |         29        0.33       46.73
       New York |        478        5.48       52.21
 North Carolina |        123        1.41       53.62
           Ohio |        105        1.20       54.83
       Oklahoma |         28        0.32       55.15
         Oregon |         50        0.57       55.72
   Pennsylvania |        308        3.53       59.25
    Puerto Rico |      1,326       15.20       74.46
   Rhode Island |          8        0.09       74.55
 South Carolina |        216        2.48       77.02
      Tennessee |        483        5.54       82.56
          Texas |      1,305       14.96       97.52
           Utah |         24        0.28       97.80
       Virginia |         14        0.16       97.96
     Washington |         59        0.68       98.64
Washington D.C. |          5        0.06       98.69
      Wisconsin |        114        1.31      100.00
----------------+-----------------------------------
          Total |      8,722      100.00

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