Frequencies for g2_c2_21 variable in hosp_rollup2552_96_2006 dataset :

   g2_c2_21 |      Freq.     Percent        Cum.
------------+-----------------------------------
      51525 |          1        0.02        0.02
    1498885 |          1        0.02        0.03
    1800694 |          1        0.02        0.05
    2079282 |          1        0.02        0.06
    3137748 |          1        0.02        0.08
    4397188 |          1        0.02        0.10
          . |      6,186       99.90      100.00
------------+-----------------------------------
      Total |      6,192      100.00

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