Frequencies for a7_3_c7_2 variable in hosp_rollup2552_96_2009 dataset :

  a7_3_c7_2 |      Freq.     Percent        Cum.
------------+-----------------------------------
         34 |          1        0.02        0.02
        904 |          1        0.02        0.03
       2117 |          1        0.02        0.05
       2329 |          1        0.02        0.06
       2513 |          1        0.02        0.08
       3177 |          2        0.03        0.11
       3560 |          1        0.02        0.13
       4134 |          1        0.02        0.14
       4557 |          1        0.02        0.16
       5872 |          1        0.02        0.17
       5911 |          1        0.02        0.19
       7284 |          1        0.02        0.20
       7487 |          1        0.02        0.22
      17329 |          1        0.02        0.24
      23734 |          1        0.02        0.25
      33326 |          1        0.02        0.27
      36645 |          1        0.02        0.28
     279811 |          1        0.02        0.30
          . |      6,341       99.70      100.00
------------+-----------------------------------
      Total |      6,360      100.00

by Jean Roth , jroth@nber.org , 21 Apr 2018