| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 129.9 | +8.9% |
| 2023/12 | 119.2 | +0.4% |
| 2022/12 | 118.7 | -6.0% |
| 2021/12 | 126.3 | -22.9% |
| 2020/12 | 163.9 | +8.6% |
| 2019/12 | 150.8 | +1.1% |
| 2018/12 | 149.2 | +1.5% |
| 2017/12 | 147.0 | -24.4% |
| 2016/12 | 194.5 | +24.2% |
| 2015/12 | 156.7 | +14.7% |
| 2014/12 | 136.6 | -4.1% |
| 2013/12 | 142.5 | +5.7% |
| 2012/12 | 134.9 | -12.4% |
| 2011/12 | 153.9 | +2.5% |
| 2010/12 | 150.2 | - |