Summary statistics for e4_c2_28 variable in hcris2552_10_2011 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
    e4_c2_28 |      1,107    .1046778    .0887436    .000049    .575725

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