Frequencies for first 10,000 rows of state variable in ma2014 dataset :

                   State |      Freq.     Percent        Cum.
-------------------------+-----------------------------------
                         |          4        0.04        0.04
                 Alabama |      1,349       13.49       13.53
                  Alaska |         23        0.23       13.76
          American Samoa |          1        0.01       13.77
                 Arizona |        450        4.50       18.27
                Arkansas |      2,339       23.39       41.66
              California |      1,384       13.84       55.50
                Colorado |      2,582       25.82       81.32
             Connecticut |        363        3.63       84.95
                Delaware |         77        0.77       85.72
                 Florida |      1,428       14.28      100.00
-------------------------+-----------------------------------
                   Total |     10,000      100.00

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