Summary statistics for tchnlgst_asct_dgr_cnt variable in pos2011 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
tchnlgst_a~t |      1,414    1.716959    7.053161          0        200

by Jean Roth , jroth@nber.org , 20 Apr 2019