Summary statistics for miacc dataset : by Jean Roth , jroth@nber.org , 18 Apr 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- st_case | 39,252 272161.4 161557.1 10001 560147 a1 | 39,252 6.896209 9.995417 0 94 a2 | 39,252 6.877993 9.961858 0 94 a3 | 39,252 6.894935 9.979264 0 94 a4 | 39,252 6.904846 9.949952 0 94 -------------+--------------------------------------------------------- a5 | 39,252 6.841893 9.942305 0 94 a6 | 39,252 6.843932 9.931618 0 72 a7 | 39,252 6.91468 9.933935 0 94 a8 | 39,252 6.856848 9.930705 0 94 a9 | 39,252 6.932768 9.954923 0 94 -------------+--------------------------------------------------------- a10 | 39,252 6.81792 9.894987 0 94 year | 39,252 2005 0 2005 2005 by Jean Roth , jroth@nber.org , 18 Apr 2016