Frequencies for a_c6_67 variable in hosp_rollup2552_96_2002 dataset :

    a_c6_67 |      Freq.     Percent        Cum.
------------+-----------------------------------
    -481259 |          1        0.02        0.02
    -381594 |          1        0.02        0.03
    -167872 |          1        0.02        0.05
     -67515 |          1        0.02        0.07
     -66442 |          1        0.02        0.08
     -56554 |          1        0.02        0.10
     -40955 |          1        0.02        0.11
     -35459 |          1        0.02        0.13
     -30234 |          1        0.02        0.15
     -23404 |          1        0.02        0.16
     -19318 |          1        0.02        0.18
     -17696 |          1        0.02        0.20
      -1431 |          1        0.02        0.21
      -1313 |          1        0.02        0.23
       -282 |          1        0.02        0.24
       -253 |          1        0.02        0.26
         20 |          1        0.02        0.28
          . |      6,107       99.72      100.00
------------+-----------------------------------
      Total |      6,124      100.00

by Jean Roth , jroth@nber.org , 10 Sep 2018