Summary statistics for rpt_stus_cd variable in snf_rpt2540_96_2009 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
 rpt_stus_cd |     14,337      2.0558    .3065687          1          4

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