Summary statistics for count222_92 dataset : by Jean Roth , jroth@nber.org , 24 Aug 2018 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- fyear | 10 2013.5 3.02765 2009 2018 rptcount | 10 1944.2 1168.379 12 3218 alphacount | 10 243319.8 160815.6 623 418426 nmrccount | 10 557984.4 359576.7 1212 930905 rollupcount | 10 0 0 0 0 by Jean Roth , jroth@nber.org , 24 Aug 2018