| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2025/5 | 51.77 | -9.7% |
| 2024/5 | 57.35 | -10.9% |
| 2023/5 | 64.35 | -23.9% |
| 2022/5 | 84.5 | +22.6% |
| 2021/5 | 68.93 | -12.2% |
| 2020/5 | 78.5 | -17.3% |
| 2019/5 | 94.91 | +12.9% |
| 2018/5 | 84.05 | -38.2% |
| 2017/5 | 136.07 | +93.7% |
| 2016/5 | 70.25 | +4.4% |
| 2015/5 | 67.27 | +13.4% |
| 2014/5 | 59.33 | -0.2% |
| 2013/5 | 59.47 | -1.0% |
| 2012/5 | 60.06 | +7.5% |
| 2011/5 | 55.85 | - |