| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 155.9 | -2.2% |
| 2023/12 | 159.4 | -3.1% |
| 2022/12 | 164.5 | +9.9% |
| 2021/12 | 149.6 | +30.8% |
| 2020/12 | 114.4 | +70.5% |
| 2019/12 | 67.1 | +34.2% |
| 2018/12 | 50.0 | +1.0% |
| 2017/12 | 49.5 | +8.1% |
| 2016/12 | 45.8 | +82.3% |
| 2015/12 | 25.1 | -35.8% |
| 2014/12 | 39.1 | +9.2% |
| 2013/12 | 35.8 | +0.9% |
| 2012/12 | 35.5 | +104.7% |
| 2011/12 | 17.3 | +1241.0% |
| 2010/12 | 1.3 | - |