Frequencies for e_b_hos_c1_31 variable in hosp_rollup2552_96_2002 dataset :

e_b_hos_c1_ |
         31 |      Freq.     Percent        Cum.
------------+-----------------------------------
      -1572 |          1        0.02        0.02
        -37 |          1        0.02        0.03
       2239 |          1        0.02        0.05
      55651 |          1        0.02        0.07
          . |      6,120       99.93      100.00
------------+-----------------------------------
      Total |      6,124      100.00

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