| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 199.9 | +18.5% |
| 2023/12 | 168.6 | +23.3% |
| 2022/12 | 136.8 | -18.4% |
| 2021/12 | 167.6 | -41.1% |
| 2020/12 | 284.7 | -44.4% |
| 2019/12 | 511.9 | +507.3% |
| 2018/12 | 84.3 | -1.1% |
| 2017/12 | 85.2 | +43.4% |
| 2016/12 | 59.4 | +8.8% |
| 2015/12 | 54.6 | +57.7% |
| 2014/12 | 34.7 | +45.5% |
| 2013/12 | 23.8 | -36.3% |
| 2012/12 | 37.4 | -7.5% |
| 2011/12 | 40.4 | -26.0% |
| 2010/12 | 54.5 | - |