Summary statistics for s10_c2_21 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s10_c2_21 | 2,721 1815932 9521993 -2.04e+07 1.98e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018