| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 140.6 | +5.5% |
| 2023/12 | 133.3 | +3.6% |
| 2022/12 | 128.7 | +4.6% |
| 2021/12 | 123.0 | +6.9% |
| 2020/12 | 115.1 | +0.5% |
| 2019/12 | 114.5 | -0.4% |
| 2018/12 | 115.0 | +3.5% |
| 2017/12 | 111.0 | +4.4% |
| 2016/12 | 106.4 | +8.8% |
| 2015/12 | 97.7 | -5.5% |
| 2014/12 | 103.5 | +8.0% |
| 2013/12 | 95.8 | +0.2% |
| 2012/12 | 95.6 | +11.7% |
| 2011/12 | 85.6 | -2.6% |
| 2010/12 | 87.8 | - |