家庭投资比例 | 平均值差值 | 均方 | 标准错误 | 显著性 | |
0% | 0.1%~10% | −8722.451 | 6,707,086,494.381 | 4050.273 | 0.183 |
| 10.1%~20% | −27,266.944 | 594,477,164.713 | 6980.755 | 0.003 |
| 20%及以上 | −50,669.118 | 19,427.525 | 19,427.525 | 0.263 |