Summary statistics for tchnlgst_asct_dgr_cnt variable in pos1998 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
tchnlgst_a~t |     91,904    .0148296    .8203113          0        200

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