Frequencies for first 10,000 rows of benefittype variable in planreport2014 dataset :

                   Benefit Type |      Freq.     Percent        Cum.
--------------------------------+-----------------------------------
                                |      4,796       47.96       47.96
Actuarially Equivalent Standard |        157        1.57       49.53
              Basic Alternative |      1,140       11.40       60.93
       Defined Standard Benefit |        978        9.78       70.71
           Enhanced Alternative |      2,929       29.29      100.00
--------------------------------+-----------------------------------
                          Total |     10,000      100.00

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