| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 110.9 | -22.0% |
| 2023/12 | 142.2 | -1.2% |
| 2022/12 | 144.0 | +5.0% |
| 2021/12 | 137.1 | -8.4% |
| 2020/12 | 149.7 | +8.8% |
| 2019/12 | 137.6 | -14.5% |
| 2018/12 | 160.9 | +5.0% |
| 2017/12 | 153.2 | -18.7% |
| 2016/12 | 188.4 | +47.2% |
| 2015/12 | 128.0 | +2.7% |
| 2014/12 | 124.7 | +21.6% |
| 2013/12 | 102.5 | -13.4% |
| 2012/12 | 118.4 | -13.0% |
| 2011/12 | 136.1 | - |