| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 14.44 | -10.5% |
| 2023/12 | 16.13 | -15.0% |
| 2022/12 | 18.98 | -24.7% |
| 2021/9 | 25.21 | -12.1% |
| 2020/9 | 28.69 | -8.9% |
| 2019/9 | 31.5 | -3.2% |
| 2018/9 | 32.54 | -7.1% |
| 2017/9 | 35.01 | -16.2% |
| 2016/9 | 41.8 | -5.4% |
| 2015/9 | 44.18 | +0.2% |
| 2014/9 | 44.08 | +4.4% |
| 2013/9 | 42.22 | -18.0% |
| 2012/9 | 51.52 | -19.3% |
| 2011/9 | 63.89 | -22.0% |
| 2010/9 | 81.88 | - |