Summary statistics for ophthalmologistsper100000res variable in caphphsa1996 da

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
ophthalmol~s |      3,437    5.345209    2.255532   1.349351   35.95256

by Jean Roth , jroth@nber.org , 15 Mar 2018