Frequencies for d_4_ipf_c11_91 variable in prds_hosp10_yr2010 dataset :

d_4_ipf_c11 |
        _91 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          1        0.04        0.04
          2 |          1        0.04        0.09
          3 |          2        0.09        0.17
          4 |          1        0.04        0.22
          7 |          1        0.04        0.26
         10 |          1        0.04        0.30
         11 |          1        0.04        0.34
         14 |          1        0.04        0.39
         18 |          3        0.13        0.52
         20 |          1        0.04        0.56
         24 |          1        0.04        0.60
         28 |          1        0.04        0.65
         29 |          1        0.04        0.69
         31 |          2        0.09        0.77
         40 |          1        0.04        0.82
         44 |          1        0.04        0.86
         48 |          1        0.04        0.90
         51 |          1        0.04        0.95
         53 |          1        0.04        0.99
         55 |          1        0.04        1.03
         57 |          1        0.04        1.08
         58 |          1        0.04        1.12
         62 |          1        0.04        1.16
         64 |          1        0.04        1.21
         70 |          1        0.04        1.25
         73 |          1        0.04        1.29
         77 |          1        0.04        1.33
         78 |          1        0.04        1.38
         80 |          1        0.04        1.42
         87 |          1        0.04        1.46
         89 |          1        0.04        1.51
         90 |          1        0.04        1.55
        137 |          1        0.04        1.59
        142 |          1        0.04        1.64
        147 |          1        0.04        1.68
        183 |          1        0.04        1.72
        187 |          1        0.04        1.76
        203 |          1        0.04        1.81
        220 |          1        0.04        1.85
        269 |          1        0.04        1.89
        284 |          1        0.04        1.94
        292 |          1        0.04        1.98
        294 |          1        0.04        2.02
        300 |          1        0.04        2.07
        305 |          1        0.04        2.11
        331 |          1        0.04        2.15
        342 |          1        0.04        2.20
        365 |          1        0.04        2.24
        370 |          1        0.04        2.28
        384 |          1        0.04        2.32
        417 |          1        0.04        2.37
        421 |          1        0.04        2.41
        544 |          1        0.04        2.45
        561 |          1        0.04        2.50
        562 |          1        0.04        2.54
        564 |          1        0.04        2.58
        569 |          1        0.04        2.63
        620 |          1        0.04        2.67
        763 |          1        0.04        2.71
        844 |          1        0.04        2.76
        861 |          1        0.04        2.80
        874 |          1        0.04        2.84
        949 |          1        0.04        2.88
        955 |          1        0.04        2.93
       1178 |          1        0.04        2.97
       2127 |          1        0.04        3.01
       3349 |          1        0.04        3.06
       3492 |          1        0.04        3.10
          . |      2,251       96.90      100.00
------------+-----------------------------------
      Total |      2,323      100.00

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