Summary statistics for lpn_lvn_prtm_cnt variable in pos1994 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
lpn_lvn_pr~t |     92,894    .6893102    9.181622          0     999.99

by Jean Roth , jroth@nber.org , 17 May 2017