Summary statistics for carhcpcs0to992004_2014 dataset :

by Jean Roth , jroth@nber.org , 14 Mar 2018

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
    hcpcs_cd |          0
        year |    168,146        2009    3.162287       2004       2014
forma~glabel |          0
forma~tlabel |          0
       nrecs |    155,346    113421.6     1525663          0   1.14e+08
-------------+---------------------------------------------------------
    nppl_any |    155,095    52933.76    503435.4          0   2.49e+07

by Jean Roth , jroth@nber.org , 14 Mar 2018