Summary statistics for s10_c1_31 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s10_c1_31 | 5,321 1.06e+07 6.11e+07 -2.17e+08 3.83e+09 by Jean Roth , jroth@nber.org , 24 Aug 2018