| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 199.4 | +62.7% |
| 2023/12 | 122.6 | +49.6% |
| 2022/12 | 82.0 | +19.3% |
| 2021/12 | 68.7 | +108.2% |
| 2020/12 | 33.0 | -85.0% |
| 2019/12 | 219.8 | +9.1% |
| 2018/12 | 201.5 | +21.2% |
| 2017/12 | 166.2 | -34.4% |
| 2016/12 | 253.3 | -1.5% |
| 2015/12 | 257.1 | +27.5% |
| 2014/12 | 201.6 | +744.3% |
| 2013/12 | 23.9 | -55.8% |
| 2012/12 | 54.1 | -31.0% |
| 2011/12 | 78.4 | - |