Summary statistics for d_1_c5_35 variable in snf_rollup2540_96_1999 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   d_1_c5_35 |          1        9913           .       9913       9913

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