Summary statistics for e4_c1_34 variable in hcris2552_10_2011 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
    e4_c1_34 |         57    .0017504    .0031655   1.00e-06    .019062

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