Summary statistics for tchnlgst_asct_dgr_cnt variable in pos1991 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
tchnlgst_a~t |     81,041    .0073185    .3870357          0        100

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