Frequencies for first 10,000 rows of lpn variable in nhamcsed2004 dataset :

        lpn |      Freq.     Percent        Cum.
------------+-----------------------------------
         no |      9,193       91.93       91.93
        yes |        807        8.07      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016