Summary statistics for pdp2017 dataset : by Jean Roth , jroth@nber.org , 6 Dec 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- state | 0 companyname | 0 planname | 0 benefittype | 0 zerodollar~o | 0 -------------+--------------------------------------------------------- monthlydru~m | 1,029 53.22264 31.66512 12.9 179 annualdrug~e | 1,029 227.4295 191.458 0 400 additional~d | 0 contractid | 0 planid | 0 -------------+--------------------------------------------------------- benefittyp~l | 0 summarysta~g | 991 3.348133 .6157807 2.5 5 summarysta~r | 0 by Jean Roth , jroth@nber.org , 6 Dec 2016