Frequencies for a_c1_92 variable in hosp_rollup2552_96_2009 dataset :

    a_c1_92 |      Freq.     Percent        Cum.
------------+-----------------------------------
       1499 |          1        0.02        0.02
      48292 |          1        0.02        0.03
     161025 |          1        0.02        0.05
     173709 |          1        0.02        0.06
     325947 |          1        0.02        0.08
     473581 |          1        0.02        0.09
     838433 |          2        0.03        0.13
    1180940 |          1        0.02        0.14
    1518874 |          1        0.02        0.16
    1619799 |          2        0.03        0.19
    1870894 |          1        0.02        0.20
    3227851 |          1        0.02        0.22
          . |      6,346       99.78      100.00
------------+-----------------------------------
      Total |      6,360      100.00

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