| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 227.7 | -10.7% |
| 2023/12 | 255.0 | -17.5% |
| 2022/12 | 309.2 | -14.9% |
| 2021/12 | 363.2 | +58.2% |
| 2020/12 | 229.6 | +11.7% |
| 2019/12 | 205.7 | -14.9% |
| 2018/12 | 241.6 | -9.8% |
| 2017/12 | 267.8 | +163.1% |
| 2016/12 | 101.8 | -53.8% |
| 2015/12 | 220.1 | +96.0% |
| 2014/12 | 112.3 | +22.6% |
| 2013/12 | 91.6 | +0.3% |
| 2012/12 | 91.3 | +114.0% |
| 2011/12 | 42.7 | +4.6% |
| 2010/12 | 40.8 | - |