| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 117.2 | +11.8% |
| 2023/12 | 104.9 | +10.2% |
| 2022/12 | 95.2 | +17.2% |
| 2021/12 | 81.2 | -26.1% |
| 2020/12 | 109.8 | -34.8% |
| 2019/12 | 168.5 | -4.6% |
| 2018/12 | 176.7 | -5.8% |
| 2017/12 | 187.7 | +1.4% |
| 2016/12 | 185.1 | -3.6% |
| 2015/12 | 192.0 | +45.0% |
| 2014/12 | 132.5 | -21.0% |
| 2013/12 | 167.7 | -9.6% |
| 2012/12 | 185.5 | +14.4% |
| 2011/12 | 162.2 | +8.6% |
| 2010/12 | 149.4 | - |