| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 87.3 | -15.5% |
| 2023/12 | 103.3 | +1.7% |
| 2022/12 | 101.5 | -33.5% |
| 2021/12 | 152.7 | -26.5% |
| 2020/12 | 207.9 | +39.5% |
| 2019/12 | 149.0 | +41.3% |
| 2018/12 | 105.4 | -3.1% |
| 2017/12 | 108.8 | -1.9% |
| 2016/12 | 110.9 | -47.0% |
| 2015/12 | 209.3 | -4.4% |
| 2014/12 | 219.0 | +34.0% |
| 2013/12 | 163.4 | +15.2% |
| 2012/12 | 141.8 | +78.8% |
| 2011/12 | 79.3 | -8.1% |
| 2010/12 | 86.3 | - |