Frequencies for first 10,000 rows of bioter variable in nhamcsopd2006 dataset :

   has hosp |
rec'd funds |
 for bioter |
    prep in |
     last 2 |
     years? |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      5,294       52.94       52.94
          2 |      1,757       17.57       70.51
          3 |      2,949       29.49      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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