| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 108.3 | +5.7% |
| 2023/12 | 102.4 | -18.8% |
| 2022/12 | 126.1 | -24.7% |
| 2021/12 | 167.4 | +44.2% |
| 2020/12 | 116.1 | -5.6% |
| 2019/12 | 123.0 | -8.5% |
| 2018/12 | 134.4 | -2.0% |
| 2017/12 | 137.1 | -9.0% |
| 2016/12 | 150.6 | +19.4% |
| 2015/12 | 126.1 | +15.4% |
| 2014/12 | 109.3 | +15.2% |
| 2013/12 | 94.9 | -3.0% |
| 2012/12 | 97.8 | +68.0% |
| 2011/12 | 58.2 | +72.1% |
| 2010/12 | 33.8 | - |