Summary statistics for e4_c2_28 variable in hcris2552_10_2017 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
    e4_c2_28 |        738    .1559508    .0984152    .000014     .64057

by Jean Roth , jroth@nber.org , 25 Oct 2018