Summary statistics for pdp2013 dataset : by Jean Roth , jroth@nber.org , 14 Apr 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- state | 0 companyname | 0 planname | 0 benefittype | 0 zerodollar~o | 0 -------------+--------------------------------------------------------- monthlydru~m | 1,328 53.73705 28.9228 3.5 165.4 annualdrug~e | 1,328 165.8185 153.6725 0 325 typeofaddi~g | 0 contractid | 0 planid | 0 -------------+--------------------------------------------------------- benefittyp~l | 0 summarysta~g | 1,268 3.227129 .486265 2 5 summarysta~r | 0 by Jean Roth , jroth@nber.org , 14 Apr 2016