Summary statistics for b_1_c18_19 variable in snf_rollup2540_96_2001 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  b_1_c18_19 |      1,222     1389409     1915741       -957   1.39e+07

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