Frequencies for ins_rf_chf1 variable in hcccoefn dataset :

ins_rf_chf1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |          1      100.00      100.00
------------+-----------------------------------
      Total |          1      100.00

by Jean Roth , jroth@nber.org , 2 May 2016