Summary statistics for a_c1_50 variable in snf_rollup2540_96_2002 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c1_50 |          3      202778    144069.4      47968     332922

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