Frequencies for a8_c2_28 variable in hosp_rollup2552_96_1998 dataset :

   a8_c2_28 |      Freq.     Percent        Cum.
------------+-----------------------------------
     -37500 |          1        0.02        0.02
     -28000 |          1        0.02        0.03
     -20191 |          1        0.02        0.05
     -18066 |          1        0.02        0.06
     -18000 |          1        0.02        0.08
     -17400 |          1        0.02        0.10
     -14400 |          1        0.02        0.11
     -14376 |          1        0.02        0.13
     -13325 |          1        0.02        0.14
     -13000 |          1        0.02        0.16
     -12000 |          2        0.03        0.19
     -10530 |          1        0.02        0.21
      -9900 |          1        0.02        0.22
      -9661 |          1        0.02        0.24
      -8834 |          1        0.02        0.26
      -7824 |          1        0.02        0.27
      -6325 |          1        0.02        0.29
      -5200 |          1        0.02        0.31
      -5080 |          1        0.02        0.32
      -4800 |          1        0.02        0.34
      -3462 |          1        0.02        0.35
      -3058 |          1        0.02        0.37
      -1300 |          1        0.02        0.39
       -469 |          1        0.02        0.40
         -1 |          1        0.02        0.42
       4319 |          1        0.02        0.43
          . |      6,197       99.57      100.00
------------+-----------------------------------
      Total |      6,224      100.00

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