Frequencies for first 10,000 rows of mdcr_trnsplnt_cntr_srvc_cd variable in pos2008 dataset :

       srv: |
 transplant |
    center, |
   medicare |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,655       86.55       86.55
          0 |      1,334       13.34       99.89
          1 |          8        0.08       99.97
          2 |          2        0.02       99.99
          3 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017