Summary statistics for s3_1_c23_3 variable in snf_rollup2540_96_1997 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  s3_1_c23_3 |         31    16.68258    19.94329        .31         64

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