Summary statistics for pdp2015 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 | 1,451 53.73032 32.45302 .1 171.9 annualdrug~e | 1,451 158.0703 152.2806 0 320 additional~e | 0 contractid | 0 planid | 0 -------------+--------------------------------------------------------- benefittyp~l | 0 summarysta~g | 1,357 3.657701 .3942358 2.5 5 summarysta~r | 0 by Jean Roth , jroth@nber.org , 14 Apr 2016