| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 69.4 | -30.1% |
| 2023/12 | 99.2 | -18.5% |
| 2022/12 | 121.7 | +0.2% |
| 2021/12 | 121.5 | -23.4% |
| 2020/12 | 158.7 | -5.2% |
| 2019/12 | 167.4 | -46.7% |
| 2018/12 | 313.9 | +54.8% |
| 2017/12 | 202.8 | -38.2% |
| 2016/12 | 327.9 | +155.1% |
| 2015/12 | 128.6 | -20.0% |
| 2014/12 | 160.6 | +1.4% |
| 2013/12 | 158.4 | +6.4% |
| 2012/12 | 148.9 | +100.2% |
| 2011/12 | 74.4 | - |