| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 101.9 | -3.6% |
| 2023/12 | 105.7 | -13.1% |
| 2022/12 | 121.6 | -2.4% |
| 2021/12 | 124.5 | -15.0% |
| 2020/12 | 146.5 | +158.5% |
| 2019/12 | 56.7 | +1.4% |
| 2018/12 | 55.9 | -9.9% |
| 2017/12 | 62.0 | -8.5% |
| 2016/12 | 67.8 | -16.4% |
| 2015/12 | 81.1 | +14.2% |
| 2014/12 | 71.0 | +49800.1% |
| 2013/12 | 0.1 | -77.0% |
| 2012/12 | 0.6 | +30.0% |
| 2011/12 | 0.5 | +37.2% |
| 2010/12 | 0.3 | - |