Frequencies for first 10,000 rows of reside variable in nhamcsed2003 dataset :

       does |
    patient |
  reside in |
    nursing |
      home? |      Freq.     Percent        Cum.
------------+-----------------------------------
      blank |        128        1.28        1.28
        yes |        265        2.65        3.93
         no |      9,232       92.32       96.25
    unknown |        375        3.75      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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