Summary statistics for MDCL_TCHNLGST_CNT variable in pos2011 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
MDCL_TCHNL~T |     11,822    3.597485      21.379          0       1682

by Jean Roth , jroth@nber.org , 19 Apr 2019