Frequencies for d_4_hos_c2_48 variable in hosp_rollup2552_96_2001 dataset :

d_4_hos_c2_ |
         48 |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |          1        0.02        0.02
          5 |          1        0.02        0.03
         31 |          1        0.02        0.05
        266 |          1        0.02        0.07
        330 |          1        0.02        0.08
       1058 |          1        0.02        0.10
       1067 |          1        0.02        0.12
       5186 |          2        0.03        0.15
       6591 |          1        0.02        0.16
       8034 |          1        0.02        0.18
      11857 |          1        0.02        0.20
      14350 |          1        0.02        0.21
      38746 |          1        0.02        0.23
      46817 |          1        0.02        0.25
     178525 |          1        0.02        0.26
          . |      6,049       99.74      100.00
------------+-----------------------------------
      Total |      6,065      100.00

by Jean Roth , jroth@nber.org , 9 Sep 2018