Summary statistics for tchnlgst_asct_dgr_cnt variable in pos1993 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
tchnlgst_a~t |     86,978    .0102313    .7857377          0        200

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