Summary statistics for tchnlgst_bs_ba_dgr_cnt variable in pos2013 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
tchnlgst_b~t |      1,472    .5970177    2.368054          0         40

by Jean Roth , jroth@nber.org , 26 Jan 2016