Summary statistics for d_1_c4_28 variable in snf_rollup2540_96_2001 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   d_1_c4_28 |        287    3539.951    8670.496          1      74400

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