Frequencies for state variable in enfrep20140507 dataset :

      State |      Freq.     Percent        Cum.
------------+-----------------------------------
            |          2        1.67        1.67
         AZ |          1        0.83        2.50
         CA |         19       15.83       18.33
         FL |          6        5.00       23.33
         GA |          1        0.83       24.17
         IL |         12       10.00       34.17
         MA |         24       20.00       54.17
         MI |          4        3.33       57.50
         MN |          5        4.17       61.67
         MO |          2        1.67       63.33
         MS |          1        0.83       64.17
         NC |          2        1.67       65.83
         NJ |          4        3.33       69.17
         NV |          1        0.83       70.00
         NY |          6        5.00       75.00
         OH |          8        6.67       81.67
         OR |          2        1.67       83.33
         PA |          8        6.67       90.00
         PR |          1        0.83       90.83
         SD |          2        1.67       92.50
         TN |          4        3.33       95.83
         TX |          1        0.83       96.67
         WI |          4        3.33      100.00
------------+-----------------------------------
      Total |        120      100.00

by Jean Roth , jroth@nber.org , 18 Dec 2015