Summary statistics for c_1_c6_30 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_30 | 6,063 4.24e+07 1.03e+08 1 2.65e+09 by Jean Roth , jroth@nber.org , 24 Aug 2018