| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 102.0 | +5.3% |
| 2023/12 | 96.9 | +66.0% |
| 2022/12 | 58.4 | +64.9% |
| 2021/12 | 35.4 | -50.2% |
| 2020/12 | 71.2 | -28.3% |
| 2019/12 | 99.2 | +15.2% |
| 2018/12 | 86.1 | +48.3% |
| 2017/12 | 58.0 | -12.3% |
| 2016/12 | 66.2 | +63.6% |
| 2015/12 | 40.4 | +11.8% |
| 2014/12 | 36.2 | -26.9% |
| 2013/12 | 49.5 | -27.2% |
| 2012/12 | 68.0 | -5.5% |
| 2011/12 | 72.0 | -32.1% |
| 2010/12 | 106.0 | - |