Summary statistics for adr_vndr_cd variable in snf_rpt2540_96_1996 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
 adr_vndr_cd |     10,007    3.360448    .6080006          2          4

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