Summary statistics for spendl2yearsop variable in daphosp2001_2005 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
spendl2ye~op |      2,893     7529.07    2044.931  -151.2642   18045.61

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