Summary statistics for miacc dataset : by Jean Roth , jroth@nber.org , 18 Apr 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- st_case | 38,477 275119.1 161438.5 10001 560141 a1 | 38,477 6.770928 9.881483 0 77 a2 | 38,477 6.741378 9.885078 0 77 a3 | 38,477 6.833303 9.954547 0 77 a4 | 38,477 6.74026 9.871774 0 77 -------------+--------------------------------------------------------- a5 | 38,477 6.774177 9.91371 0 77 a6 | 38,477 6.766354 9.914744 0 77 a7 | 38,477 6.727552 9.877792 0 77 a8 | 38,477 6.736466 9.879148 0 77 a9 | 38,477 6.759649 9.878555 0 77 -------------+--------------------------------------------------------- a10 | 38,477 6.813031 9.931333 0 77 year | 38,477 2003 0 2003 2003 by Jean Roth , jroth@nber.org , 18 Apr 2016