| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 343.0 | +35.4% |
| 2023/12 | 253.3 | +57.8% |
| 2022/12 | 160.5 | -10.0% |
| 2021/12 | 178.3 | -9.7% |
| 2020/12 | 197.4 | -0.1% |
| 2019/12 | 197.7 | +10.4% |
| 2018/12 | 179.1 | +48.8% |
| 2017/12 | 120.4 | -26.1% |
| 2016/12 | 162.9 | -2.2% |
| 2015/12 | 166.6 | +8.5% |
| 2014/12 | 153.5 | -43.7% |
| 2013/12 | 272.7 | -14.0% |
| 2012/12 | 317.1 | +30.5% |
| 2011/12 | 243.0 | - |