Frequencies for e3_3_irf_c1_16 variable in hcris2552_10_2011 dataset :

    e30c183 |
01600 00100 |      Freq.     Percent        Cum.
------------+-----------------------------------
     131096 |          1        0.02        0.02
     213122 |          1        0.02        0.03
     238682 |          1        0.02        0.05
     286151 |          1        0.02        0.07
          . |      6,146       99.93      100.00
------------+-----------------------------------
      Total |      6,150      100.00

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