Frequencies for d_4_hos_c13_70 variable in prds_hosp10_yr2013 dataset :

d_4_hos_c13 |
        _70 |      Freq.     Percent        Cum.
------------+-----------------------------------
          3 |          1        0.02        0.02
          8 |          1        0.02        0.03
         13 |          2        0.03        0.06
         20 |          1        0.02        0.08
         31 |          1        0.02        0.10
         32 |          1        0.02        0.11
         40 |          1        0.02        0.13
         51 |          2        0.03        0.16
         52 |          1        0.02        0.18
         63 |          1        0.02        0.19
        253 |          1        0.02        0.21
        337 |          1        0.02        0.22
        570 |          1        0.02        0.24
        639 |          1        0.02        0.26
        664 |          1        0.02        0.27
        684 |          1        0.02        0.29
       1169 |          1        0.02        0.30
       2047 |          1        0.02        0.32
       4362 |          1        0.02        0.34
       6597 |          1        0.02        0.35
      15285 |          1        0.02        0.37
      60143 |          1        0.02        0.38
          . |      6,224       99.62      100.00
------------+-----------------------------------
      Total |      6,248      100.00

by Jean Roth , jroth@nber.org , 24 Aug 2018