Frequencies for first 10,000 rows of ip_gono variable in natlterr2012 dataset :

  Gonorrhea |
595=f_ip_go |
      nor R |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      1,163       11.63       11.63
          N |      8,435       84.35       95.98
          U |        394        3.94       99.92
          Y |          8        0.08      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 5 May 2016