| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 306.4 | +11.6% |
| 2023/12 | 274.6 | -0.9% |
| 2022/12 | 277.1 | +11.9% |
| 2021/12 | 247.6 | +3.2% |
| 2020/12 | 240.0 | -4.9% |
| 2019/12 | 252.5 | -1.1% |
| 2018/12 | 255.2 | +10.2% |
| 2017/12 | 231.7 | +5.5% |
| 2016/12 | 219.6 | +18.6% |
| 2015/12 | 185.2 | -4.3% |
| 2014/12 | 193.6 | -6.9% |
| 2013/12 | 207.8 | -15.9% |
| 2012/12 | 247.0 | -4.0% |
| 2011/12 | 257.3 | -12.6% |
| 2010/12 | 294.3 | - |