Frequencies for a_c6_67 variable in hosp_rollup2552_96_2010 dataset :

    a_c6_67 |      Freq.     Percent        Cum.
------------+-----------------------------------
    -344528 |          1        0.02        0.02
    -170510 |          1        0.02        0.05
     -98026 |          1        0.02        0.07
     -11809 |          1        0.02        0.10
     -10406 |          1        0.02        0.12
      -9816 |          1        0.02        0.15
      -7479 |          1        0.02        0.17
      -3383 |          1        0.02        0.20
      -1329 |          1        0.02        0.22
          . |      3,996       99.78      100.00
------------+-----------------------------------
      Total |      4,005      100.00

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