| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 112.8 | +87.8% |
| 2023/12 | 60.1 | +6.2% |
| 2022/12 | 56.6 | -15.3% |
| 2021/12 | 66.8 | -42.9% |
| 2020/12 | 117.0 | +238.0% |
| 2019/12 | 34.6 | -38.3% |
| 2018/12 | 56.1 | -7.8% |
| 2017/12 | 60.8 | -32.6% |
| 2016/12 | 90.2 | +282.4% |
| 2015/12 | 23.6 | -26.8% |
| 2014/12 | 32.3 | -13.2% |
| 2013/12 | 37.2 | -39.4% |
| 2012/12 | 61.3 | -34.6% |
| 2011/12 | 93.7 | -21.1% |
| 2010/12 | 118.8 | - |