| a1变化幅度 | −10% | −8% | −6% | −4% | −2% | 2% | 4% | 6% | 8% | 10% |
| 效用的改变值 | −0.0049 | −0.0039 | −0.0029 | −0.0019 | 0.00097 | 0.00097 | 0.0019 | 0.0029 | 0.0038 | 0.0048 |
| 效用变化幅度 | −0.81% | −0.65% | −0.49% | −0.32% | −0.16% | 0.16% | 0.32% | 0.48% | 0.64% | 0.79% |