Frequencies for first 10,000 rows of prov2315 variable in pos1993 dataset :

 srv: organ |
 transplant |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,856       88.56       88.56
          0 |      1,019       10.19       98.75
          1 |         37        0.37       99.12
          2 |         80        0.80       99.92
          3 |          8        0.08      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016