| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 126.9 | +9.0% |
| 2023/12 | 116.4 | -18.8% |
| 2022/12 | 143.3 | -22.9% |
| 2021/12 | 185.8 | +103.4% |
| 2020/12 | 91.3 | +0.6% |
| 2019/12 | 90.8 | -18.6% |
| 2018/12 | 111.5 | -10.2% |
| 2017/12 | 124.2 | +44.4% |
| 2016/12 | 86.1 | -29.1% |
| 2015/12 | 121.4 | +36.3% |
| 2014/12 | 89.1 | +31.2% |
| 2013/12 | 67.9 | +128.9% |
| 2012/12 | 29.7 | +0.1% |
| 2011/12 | 29.6 | - |