Summary statistics for ratcat2007 dataset :

by Jean Roth , jroth@nber.org , 10 May 2016

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     srvy_yr |     29,915        2007           0       2007       2007
         hhx |          0
         fmx |          0
    rat_cat3 |     29,915    30.68952    37.88426          1         99

by Jean Roth , jroth@nber.org , 10 May 2016