Summary statistics for e4_c1_28 variable in hcris2552_10_2010 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
    e4_c1_28 |        493    .3278916    .1546635    .000369    .821615

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