| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 131.5 | -16.8% |
| 2023/12 | 157.9 | -4.8% |
| 2022/12 | 165.9 | +45.5% |
| 2021/12 | 114.0 | -2.8% |
| 2020/12 | 117.3 | +1.9% |
| 2019/12 | 115.2 | +27.8% |
| 2018/12 | 90.1 | -29.5% |
| 2017/12 | 127.8 | -25.5% |
| 2016/12 | 171.6 | +17.9% |
| 2015/12 | 145.6 | +48.9% |
| 2014/12 | 97.8 | -12.6% |
| 2013/12 | 111.8 | -64.7% |
| 2012/12 | 317.0 | +63.5% |
| 2011/12 | 193.9 | - |