Frequencies for first 10,000 rows of prov2315 variable in pos1998 dataset :

 srv: organ |
 transplant |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,805       88.05       88.05
          0 |      1,049       10.49       98.54
          1 |         44        0.44       98.98
          2 |         93        0.93       99.91
          3 |          9        0.09      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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