Frequencies for voluntarymandated variable in enfrep20140312 dataset :

       Voluntary/Mandated |      Freq.     Percent        Cum.
--------------------------+-----------------------------------
                          |         10        6.58        6.58
Voluntary: Firm Initiated |        142       93.42      100.00
--------------------------+-----------------------------------
                    Total |        152      100.00

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