Frequencies for a_c6_67 variable in hosp_rollup2552_96_2006 dataset :

    a_c6_67 |      Freq.     Percent        Cum.
------------+-----------------------------------
    -560302 |          1        0.02        0.02
    -194231 |          1        0.02        0.03
    -127036 |          1        0.02        0.05
    -114929 |          1        0.02        0.06
    -104710 |          1        0.02        0.08
     -87319 |          1        0.02        0.10
     -51605 |          1        0.02        0.11
     -32117 |          1        0.02        0.13
     -31187 |          1        0.02        0.15
     -26957 |          1        0.02        0.16
     -25030 |          1        0.02        0.18
      -7819 |          1        0.02        0.19
      -2433 |          1        0.02        0.21
      -2139 |          1        0.02        0.23
      -2046 |          1        0.02        0.24
      -1335 |          1        0.02        0.26
       -339 |          1        0.02        0.27
       -136 |          1        0.02        0.29
        -80 |          1        0.02        0.31
         37 |          1        0.02        0.32
       4097 |          1        0.02        0.34
          . |      6,171       99.66      100.00
------------+-----------------------------------
      Total |      6,192      100.00

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