Summary statistics for tchnlgst_asct_dgr_cnt variable in pos2018 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
tchnlgst_a~t |      1,563    2.226686    8.275851          0        200

by Jean Roth , jroth@nber.org , 15 Feb 2019