Frequencies for first 10,000 rows of bioter variable in nhamcsed2006 dataset :

   has hosp |
rec'd funds |
 for bioter |
    prep in |
     last 2 |
     years? |      Freq.     Percent        Cum.
------------+-----------------------------------
        yes |      5,842       58.42       58.42
         no |      1,448       14.48       72.90
    unknown |      2,508       25.08       97.98
      blank |        202        2.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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