| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 301.6 | +125.0% |
| 2023/12 | 134.1 | +7.1% |
| 2022/12 | 125.2 | +1.6% |
| 2021/12 | 123.2 | -7.3% |
| 2020/12 | 132.9 | +48.8% |
| 2019/12 | 89.3 | +82.9% |
| 2018/12 | 48.8 | -17.1% |
| 2017/12 | 58.9 | +68.4% |
| 2016/12 | 35.0 | -23.0% |
| 2015/12 | 45.4 | -6.1% |
| 2014/12 | 48.3 | -7.7% |
| 2013/12 | 52.4 | +8.8% |
| 2012/12 | 48.2 | +42.9% |
| 2011/12 | 33.7 | -0.6% |
| 2010/12 | 33.9 | - |