| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 117.23 | +11.8% |
| 2023/12 | 104.87 | +10.2% |
| 2022/12 | 95.15 | +17.2% |
| 2021/12 | 81.18 | -26.1% |
| 2020/12 | 109.84 | -34.8% |
| 2019/12 | 168.52 | -4.6% |
| 2018/12 | 176.71 | -5.8% |
| 2017/12 | 187.67 | +1.4% |
| 2016/12 | 185.13 | -3.6% |
| 2015/12 | 192.04 | +45.0% |
| 2014/12 | 132.48 | -21.0% |
| 2013/12 | 167.71 | -9.6% |
| 2012/12 | 185.52 | +14.4% |
| 2011/12 | 162.16 | +8.6% |
| 2010/12 | 149.36 | - |