| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 131.0 | +5.2% |
| 2023/12 | 124.6 | -5.3% |
| 2022/12 | 131.6 | +19.4% |
| 2021/12 | 110.3 | +8.9% |
| 2020/12 | 101.2 | +1.1% |
| 2019/12 | 100.1 | -0.5% |
| 2018/12 | 100.6 | +6.6% |
| 2017/12 | 94.4 | +8.7% |
| 2016/12 | 86.8 | +18.5% |
| 2015/12 | 73.2 | +0.4% |
| 2014/12 | 72.9 | +0.7% |
| 2013/12 | 72.4 | +1.2% |
| 2012/12 | 71.5 | -6.7% |
| 2011/12 | 76.7 | -15.3% |
| 2010/12 | 90.6 | - |