| Variable | Obs | Mean | Std. Dev. | Min | Max |
|---|---|---|---|---|---|
| 모형 1 | 75 | .0087952 | .01418 | .0000371 | .06643 |
| 모형 2 | 75 | .0083356 | .01273 | .0000646 | .06433 |
| 모형 3 | 75 | .0099564 | .01414 | 1.10e-07 | .06934 |
| 모형 4 | 75 | .0088253 | .01282 | .0000152 | .06030 |
| 모형 5 | 75 | .0084888 | .01392 | 2.89e-06 | .06563 |
| 모형 6 | 75 | .0086526 | .01238 | .000012 | .05925 |
| 모형 7 | 75 | .0094583 | .01297 | 1.69e-06 | .06524 |
| 모형 8 | 75 | .0091387 | .01222 | .0000121 | .06275 |