Summary statistics for a_c1_7 variable in snf_rollup2540_96_1999 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c1_7 |     11,200    129033.2    143214.7      -2402    2404830

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