Frequencies for e3_3_irf_c1_16 variable in hcris2552_10_2010 dataset :

    e30c183 |
01600 00100 |      Freq.     Percent        Cum.
------------+-----------------------------------
     125917 |          1        0.04        0.04
     216418 |          1        0.04        0.09
     240564 |          1        0.04        0.13
     277281 |          1        0.04        0.17
          . |      2,318       99.83      100.00
------------+-----------------------------------
      Total |      2,322      100.00

by Jean Roth , jroth@nber.org , 23 Aug 2018