Summary statistics for diag dataset :

by Jean Roth , jroth@nber.org , 21 Mar 2017

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
       hicno |     72,888        12.5    6.922234          1         24
        diag |          0
   diag_type |     72,888           9           0          9          9

by Jean Roth , jroth@nber.org , 21 Mar 2017