Summary statistics for adr_vndr_cd variable in hcris2552_96_2001 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
 adr_vndr_cd |      6,172    3.409916    .6710575          2          4

by Jean Roth , jroth@nber.org , 7 Sep 2018