Summary statistics for s3_1_c16_3 variable in snf_rollup2540_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s3_1_c16_3 | 962 414.2081 459.4906 7.94 5645 by Jean Roth , jroth@nber.org , 17 Feb 2018