Summary statistics for spendl2yearsop variable in daphosp2009 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
spendl2ye~op |      2,600    11925.43    2934.173   4230.614   41587.54

by Jean Roth , jroth@nber.org , 14 Mar 2018