Frequencies for a_c1_28 variable in hosp_rollup2552_96_2010 dataset :

    a_c1_28 |      Freq.     Percent        Cum.
------------+-----------------------------------
     571669 |          2        0.05        0.05
     812146 |          1        0.02        0.07
     880555 |          1        0.02        0.10
    1011280 |          2        0.05        0.15
    1073576 |          1        0.02        0.17
    1094552 |          1        0.02        0.20
    1102842 |          1        0.02        0.22
    1106480 |          1        0.02        0.25
    1110133 |          2        0.05        0.30
    1173068 |          1        0.02        0.32
    1223670 |          1        0.02        0.35
    1255186 |          1        0.02        0.37
    1300731 |          2        0.05        0.42
    1316222 |          2        0.05        0.47
    1355140 |          1        0.02        0.50
    1445148 |          1        0.02        0.52
    1596284 |          1        0.02        0.55
    1609954 |          1        0.02        0.57
    1682335 |          1        0.02        0.60
    1752299 |          1        0.02        0.62
    1861166 |          1        0.02        0.65
    2025782 |          1        0.02        0.67
    2071248 |          1        0.02        0.70
    2253219 |          1        0.02        0.72
    2270044 |          1        0.02        0.75
    2585809 |          1        0.02        0.77
    2603559 |          1        0.02        0.80
    2646462 |          1        0.02        0.82
    3340993 |          1        0.02        0.85
    4196688 |          1        0.02        0.87
    4268314 |          1        0.02        0.90
    4435399 |          1        0.02        0.92
    4593113 |          1        0.02        0.95
    4595124 |          1        0.02        0.97
    5455069 |          1        0.02        1.00
    5481053 |          1        0.02        1.02
    6772954 |          1        0.02        1.05
    7587505 |          1        0.02        1.07
    8868001 |          1        0.02        1.10
   1.54e+07 |          1        0.02        1.12
          . |      3,960       98.88      100.00
------------+-----------------------------------
      Total |      4,005      100.00

by Jean Roth , jroth@nber.org , 21 Apr 2018