| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 123.7 | +6.2% |
| 2023/12 | 116.4 | -5.2% |
| 2022/12 | 122.9 | +29.5% |
| 2021/12 | 94.9 | +50.6% |
| 2020/12 | 63.0 | -26.1% |
| 2019/12 | 85.3 | +10.5% |
| 2018/12 | 77.1 | +164.9% |
| 2017/12 | 29.1 | -3.3% |
| 2016/12 | 30.1 | -12.8% |
| 2015/12 | 34.5 | -9.3% |
| 2014/12 | 38.1 | -12.7% |
| 2013/12 | 43.7 | -94.0% |
| 2012/12 | 725.4 | -67.5% |
| 2011/12 | 2234.3 | - |