Frequencies for first 10,000 rows of incshx variable in nhamcsed2008 dataset :

  in last 2 |
 years, has |
         ed |
increased # |
of standard |
  treatment |
    spaces? |      Freq.     Percent        Cum.
------------+-----------------------------------
      blank |        174        1.74        1.74
    unknown |        294        2.94        4.68
        yes |      2,924       29.24       33.92
         no |      6,608       66.08      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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