Summary statistics for s3_1_c19_3 variable in snf_rollup2540_96_2007 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  s3_1_c19_3 |        876    55.98402    94.47688          1       1920

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