Frequencies for s3_1_c5_16 variable in prds_hosp10_yr2017 dataset :

        IPF |
    S300001 |
      01600 |
      00500 |      Freq.     Percent        Cum.
------------+-----------------------------------
        724 |          1        0.03        0.03
       4711 |          1        0.03        0.05
       4828 |          1        0.03        0.08
          . |      3,746       99.92      100.00
------------+-----------------------------------
      Total |      3,749      100.00

by Jean Roth , jroth@nber.org , 26 Oct 2018