Summary statistics for b_1_c0_5030 variable in snf_rollup2540_96_2009 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
 b_1_c0_5030 |          1        4135           .       4135       4135

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