Summary statistics for adr_vndr_cd variable in snf_rpt2540_96_2004 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
 adr_vndr_cd |     14,122    3.519048    .5884289          2          4

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