Frequencies for s5_c2_2 variable in hcris2552_10_2013 dataset :

    patient |
   receives |
   dialysis |
    s500000 |
00200 00200 |      Freq.     Percent        Cum.
------------+-----------------------------------
       2.92 |          1        0.02        0.02
       2.93 |          1        0.02        0.03
          3 |         87        1.39        1.42
        3.1 |          1        0.02        1.44
        3.6 |          1        0.02        1.46
       3.86 |          1        0.02        1.47
          6 |          2        0.03        1.50
          7 |          1        0.02        1.52
         12 |          1        0.02        1.54
          . |      6,152       98.46      100.00
------------+-----------------------------------
      Total |      6,248      100.00

by Jean Roth , jroth@nber.org , 23 Aug 2018