Frequencies for fi_num variable in prds_hosp10_yr2012 dataset :

     fi_num |      Freq.     Percent        Cum.
------------+-----------------------------------
      00130 |          1        0.02        0.02
      00131 |          1        0.02        0.03
      01001 |          7        0.11        0.14
      01011 |        420        6.74        6.89
      02001 |        196        3.15       10.04
      03001 |        338        5.43       15.46
      04011 |        881       14.15       29.61
      05001 |        405        6.50       36.12
      05901 |        555        8.91       45.03
      06001 |        149        2.39       47.42
      06101 |        159        2.55       49.98
      06201 |        146        2.34       52.32
      07001 |        335        5.38       57.70
      08001 |        300        4.82       62.52
      08101 |          2        0.03       62.55
      09001 |        244        3.92       66.47
      10001 |        333        5.35       71.82
      10101 |         71        1.14       72.96
      10201 |         30        0.48       73.44
      10301 |         17        0.27       73.71
      11001 |         92        1.48       75.19
      11301 |         94        1.51       76.70
      11401 |         35        0.56       77.26
      11501 |        105        1.69       78.95
      12001 |        544        8.74       87.68
      13001 |        227        3.65       91.33
      13201 |         16        0.26       91.59
      14001 |          5        0.08       91.67
      14011 |        193        3.10       94.76
      15101 |        114        1.83       96.60
      15201 |        212        3.40      100.00
------------+-----------------------------------
      Total |      6,227      100.00

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