Summary statistics for d_1_c4_34 variable in snf_rollup2540_96_2011 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   d_1_c4_34 |          3    234.3333      351.82          1        639

by Jean Roth , jroth@nber.org , 17 Feb 2018