| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 6.9 | +2.6% |
| 2023/12 | 6.7 | -97.7% |
| 2022/12 | 294.2 | +28.5% |
| 2021/12 | 229.0 | +30.5% |
| 2020/12 | 175.5 | -85.0% |
| 2019/12 | 1169.8 | +319.1% |
| 2018/12 | 279.1 | -21.9% |
| 2017/12 | 357.2 | -32.2% |
| 2016/12 | 526.9 | +4.5% |
| 2015/12 | 504.2 | +157.7% |
| 2014/12 | 195.7 | +114.5% |
| 2013/12 | 91.2 | -65.9% |
| 2012/12 | 267.5 | +75.9% |
| 2011/12 | 152.0 | - |