Summary statistics for adr_vndr_cd variable in hcris2552_96_2004 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
 adr_vndr_cd |      6,265    3.570311    .5838501          2          4

by Jean Roth , jroth@nber.org , 9 Sep 2018