Summary statistics for b_1_c0_5040 variable in snf_rollup2540_96_1997 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
 b_1_c0_5040 |          1         600           .        600        600

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