Frequencies for a_c6_69 variable in hosp_rollup2552_96_2006 dataset :

    a_c6_69 |      Freq.     Percent        Cum.
------------+-----------------------------------
     -35893 |          1        0.02        0.02
     -34487 |          1        0.02        0.03
      -3926 |          1        0.02        0.05
       -583 |          1        0.02        0.06
        -93 |          1        0.02        0.08
          . |      6,187       99.92      100.00
------------+-----------------------------------
      Total |      6,192      100.00

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