Summary statistics for lpn_lvn_prtm_cnt variable in pos2014 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
lpn_lvn_pr~t |     38,347    1.608086    9.747637          0     809.29

by Jean Roth , jroth@nber.org , 26 Jan 2016