Summary statistics for d_1_c4_21 variable in snf_rollup2540_96_2000 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   d_1_c4_21 |      8,186    4869.947    16512.41          1    1362584

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