Summary statistics for s3_1_c21_3 variable in snf_rollup2540_96_2010 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  s3_1_c21_3 |        876    74.30936    91.52761          1        882

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