| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 199.6 | +4.0% |
| 2023/12 | 192.0 | -9.1% |
| 2022/12 | 211.3 | -12.1% |
| 2021/12 | 240.4 | -48.1% |
| 2020/12 | 462.8 | +21.5% |
| 2019/12 | 381.0 | +4.6% |
| 2018/12 | 364.4 | +17.6% |
| 2017/12 | 309.9 | +3.4% |
| 2016/12 | 299.6 | -2.8% |
| 2015/12 | 308.3 | +87.9% |
| 2014/12 | 164.1 | +7.5% |
| 2013/12 | 152.6 | -18.8% |
| 2012/12 | 188.0 | -6.9% |
| 2011/12 | 201.8 | +77.0% |
| 2010/12 | 114.0 | - |