Frequencies for first 10,000 rows of benefittype variable in planreport2017 dataset :

                   Benefit Type |      Freq.     Percent        Cum.
--------------------------------+-----------------------------------
                                |      4,434       44.34       44.34
Actuarially Equivalent Standard |        112        1.12       45.46
              Basic Alternative |      1,488       14.88       60.34
       Defined Standard Benefit |        858        8.58       68.92
           Enhanced Alternative |      3,108       31.08      100.00
--------------------------------+-----------------------------------
                          Total |     10,000      100.00

by Jean Roth , jroth@nber.org ,