Summary statistics for miacc dataset : by Jean Roth , jroth@nber.org , 18 Apr 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- st_case | 39,092 282218.4 159645.6 10001 560174 year | 39,092 1982 0 1982 1982 a1 | 39,092 10.25573 10.67194 0 75 a2 | 39,092 10.26489 10.569 0 75 a3 | 39,092 10.34828 10.59896 0 75 -------------+--------------------------------------------------------- a4 | 39,092 10.26473 10.64466 0 78 a5 | 39,092 10.24887 10.60183 0 75 a6 | 39,092 10.28719 10.62902 0 75 a7 | 39,092 10.20449 10.61381 0 75 a8 | 39,092 10.35511 10.68154 0 75 -------------+--------------------------------------------------------- a9 | 39,092 10.31871 10.61714 0 77 a10 | 39,092 10.29615 10.59918 0 75 by Jean Roth , jroth@nber.org , 18 Apr 2016