| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 200.6 | +9.0% |
| 2023/12 | 184.0 | +8.8% |
| 2022/12 | 169.2 | +19.2% |
| 2021/12 | 141.9 | +9.6% |
| 2020/12 | 129.5 | +9.4% |
| 2019/12 | 118.4 | +1.8% |
| 2018/12 | 116.3 | +33.0% |
| 2017/12 | 87.4 | +11.2% |
| 2016/12 | 78.6 | -5.8% |
| 2015/12 | 83.5 | +0.9% |
| 2014/12 | 82.7 | -7.2% |
| 2013/12 | 89.2 | +8.1% |
| 2012/12 | 82.5 | +2.8% |
| 2012/3 | 122.3 | +52.5% |
| 2011/12 | 80.2 | -25.8% |
| 2010/12 | 108.0 | - |