| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 114.8 | -7.6% |
| 2023/12 | 124.3 | +10.2% |
| 2022/12 | 112.7 | +150.4% |
| 2021/12 | 45.0 | -25.5% |
| 2020/12 | 60.4 | -30.3% |
| 2019/12 | 86.7 | -7.0% |
| 2018/12 | 93.3 | -22.0% |
| 2017/12 | 119.6 | -3.6% |
| 2016/12 | 124.0 | -14.9% |
| 2015/12 | 145.7 | -1.4% |
| 2014/12 | 147.9 | +7.2% |
| 2013/12 | 138.0 | +95.4% |
| 2012/12 | 70.6 | -35.6% |
| 2011/12 | 109.6 | - |