Summary statistics for d4_hos_18_c2_03700 variable in hcris2552_96_1996 dataset Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_hos_18~00 | 4,870 2536798 4849745 51 6.65e+07 by Jean Roth , jroth@nber.org , 6 Sep 2018