Frequencies for g2_c2_21 variable in hosp_rollup2552_96_2004 dataset :

   g2_c2_21 |      Freq.     Percent        Cum.
------------+-----------------------------------
     178007 |          1        0.02        0.02
     577639 |          1        0.02        0.03
     935060 |          1        0.02        0.05
    1420000 |          1        0.02        0.06
    1479398 |          1        0.02        0.08
    1680439 |          1        0.02        0.10
    2307793 |          2        0.03        0.13
    2642526 |          1        0.02        0.15
    2794410 |          1        0.02        0.16
    3535107 |          1        0.02        0.18
    3556355 |          1        0.02        0.19
          . |      6,191       99.81      100.00
------------+-----------------------------------
      Total |      6,203      100.00

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