| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 99.9 | +22.1% |
| 2023/12 | 81.8 | -35.6% |
| 2022/12 | 127.0 | -17.5% |
| 2021/12 | 153.9 | +0.2% |
| 2020/12 | 153.7 | +26.5% |
| 2019/12 | 121.5 | -14.6% |
| 2018/12 | 142.3 | -36.3% |
| 2017/12 | 223.4 | -35.2% |
| 2016/12 | 344.4 | -2.3% |
| 2015/12 | 352.4 | -17.1% |
| 2014/12 | 424.9 | +1.9% |
| 2013/12 | 417.1 | +10.6% |
| 2012/12 | 377.0 | -80.7% |
| 2011/12 | 1956.9 | - |