Frequencies for s2_c1_3001 variable in hcris2552_96_2010 dataset :

 s2_c1_3001 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      3,133       81.36       81.36
          N |        718       18.64      100.00
------------+-----------------------------------
      Total |      3,851      100.00

by Jean Roth , jroth@nber.org , 1 Sep 2018