Frequencies for d_4_hos_c2_51 variable in hosp_rollup2552_96_2009 dataset :

d_4_hos_c2_ |
         51 |      Freq.     Percent        Cum.
------------+-----------------------------------
          3 |          1        0.02        0.02
        475 |          1        0.02        0.03
        613 |          1        0.02        0.05
       1015 |          1        0.02        0.06
       1990 |          1        0.02        0.08
      11076 |          1        0.02        0.09
      12089 |          1        0.02        0.11
      15215 |          1        0.02        0.13
      21785 |          1        0.02        0.14
      33412 |          1        0.02        0.16
      35651 |          1        0.02        0.17
      57243 |          1        0.02        0.19
      73010 |          1        0.02        0.20
      91506 |          1        0.02        0.22
     100558 |          1        0.02        0.24
     166869 |          1        0.02        0.25
     178323 |          1        0.02        0.27
     178838 |          1        0.02        0.28
     195577 |          1        0.02        0.30
     832826 |          1        0.02        0.31
          . |      6,340       99.69      100.00
------------+-----------------------------------
      Total |      6,360      100.00

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