Frequencies for a_c6_66 variable in hosp_rollup2552_96_1998 dataset :

    a_c6_66 |      Freq.     Percent        Cum.
------------+-----------------------------------
    -404187 |          1        0.02        0.02
    -385298 |          1        0.02        0.03
    -174300 |          1        0.02        0.05
     -28421 |          1        0.02        0.06
     -27746 |          1        0.02        0.08
     -26436 |          1        0.02        0.10
     -26270 |          1        0.02        0.11
     -20725 |          1        0.02        0.13
     -19761 |          1        0.02        0.14
     -14042 |          1        0.02        0.16
     -11686 |          1        0.02        0.18
      -9885 |          1        0.02        0.19
      -7802 |          1        0.02        0.21
      -7800 |          1        0.02        0.22
      -5639 |          1        0.02        0.24
      -4609 |          1        0.02        0.26
      -4157 |          1        0.02        0.27
      -3606 |          1        0.02        0.29
      -3116 |          1        0.02        0.31
      -2817 |          1        0.02        0.32
      -2692 |          1        0.02        0.34
      -2040 |          1        0.02        0.35
      -1348 |          1        0.02        0.37
      -1048 |          1        0.02        0.39
      -1043 |          1        0.02        0.40
       -780 |          1        0.02        0.42
       -739 |          1        0.02        0.43
       -495 |          1        0.02        0.45
        -55 |          1        0.02        0.47
        -30 |          1        0.02        0.48
          6 |          1        0.02        0.50
        631 |          1        0.02        0.51
        645 |          1        0.02        0.53
        828 |          1        0.02        0.55
       1538 |          1        0.02        0.56
       3389 |          1        0.02        0.58
      10355 |          1        0.02        0.59
      40928 |          1        0.02        0.61
          . |      6,186       99.39      100.00
------------+-----------------------------------
      Total |      6,224      100.00

by Jean Roth , jroth@nber.org , 6 Sep 2018