Frequencies for c_1_c2_51 variable in hosp_rollup2552_96_2002 dataset :

  c_1_c2_51 |      Freq.     Percent        Cum.
------------+-----------------------------------
        227 |          1        0.02        0.02
        319 |          1        0.02        0.03
       2509 |          1        0.02        0.05
       2591 |          1        0.02        0.07
       3373 |          1        0.02        0.08
       4993 |          1        0.02        0.10
       9308 |          1        0.02        0.11
      14869 |          1        0.02        0.13
          . |      6,116       99.87      100.00
------------+-----------------------------------
      Total |      6,124      100.00

by Jean Roth , jroth@nber.org , 10 Sep 2018