Summary statistics for servarea2018 dataset : by Jean Roth , jroth@nber.org , 8 Dec 2017 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- businessyear | 10,963 2018 0 2018 2018 statecode | 0 issuerid | 10,963 44429.55 25574.74 10046 99969 sourcename | 0 importdate | 0 -------------+--------------------------------------------------------- serviceare~d | 0 serviceare~e | 0 coverentir~e | 0 county | 0 partialcou~y | 0 -------------+--------------------------------------------------------- zipcodes | 0 partialcou~n | 0 marketcove~e | 0 dentalonly~n | 0 by Jean Roth , jroth@nber.org , 8 Dec 2017