Summary statistics for b_1_c18_4710 variable in snf_rollup2540_96_2006 dataset 

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
b_1_c18_4710 |          1        1943           .       1943       1943

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