Summary statistics for b_1_c18_5020 variable in snf_rollup2540_96_2001 dataset 

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
b_1_c18_5020 |          7    30965.57    29177.58         -1      79140

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