Frequencies for d_4_hos_c6_55 variable in hosp_rollup2552_96_1998 dataset :

d_4_hos_c6_ |
         55 |      Freq.     Percent        Cum.
------------+-----------------------------------
     301426 |          1        0.02        0.02
     550314 |          1        0.02        0.03
    1705359 |          1        0.02        0.05
    2029870 |          1        0.02        0.06
    2034504 |          1        0.02        0.08
    2108953 |          1        0.02        0.10
    3557525 |          1        0.02        0.11
    6061347 |          1        0.02        0.13
    7926309 |          1        0.02        0.14
    8410334 |          1        0.02        0.16
   1.03e+07 |          1        0.02        0.18
   1.15e+07 |          1        0.02        0.19
   1.31e+07 |          1        0.02        0.21
   1.86e+07 |          1        0.02        0.22
   1.87e+07 |          1        0.02        0.24
   2.65e+07 |          1        0.02        0.26
   2.66e+07 |          1        0.02        0.27
   2.95e+07 |          1        0.02        0.29
          . |      6,206       99.71      100.00
------------+-----------------------------------
      Total |      6,224      100.00

by Jean Roth , jroth@nber.org , 6 Sep 2018