| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2025/6 | 162.3 | +6.6% |
| 2024/6 | 152.2 | -31.1% |
| 2023/6 | 220.9 | +111.0% |
| 2022/6 | 104.6 | +19.5% |
| 2021/6 | 87.5 | -16.4% |
| 2020/6 | 104.7 | +40565.6% |
| 2019/6 | 0.3 | -4.3% |
| 2018/6 | 0.3 | -94.8% |
| 2017/6 | 5.2 | +1179.7% |
| 2016/6 | 0.4 | -7.5% |
| 2015/6 | 0.4 | -88.5% |
| 2014/6 | 3.8 | -1.5% |
| 2013/6 | 3.9 | +10.3% |
| 2012/6 | 3.5 | +134.6% |
| 2011/6 | 1.5 | - |