Summary statistics for a_c1_9 variable in snf_rollup2540_96_2010 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c1_9 |     11,932    251544.1    278933.2         77    5910336

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