| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 171.2 | -10.9% |
| 2023/12 | 192.2 | -20.9% |
| 2022/12 | 243.1 | -20.4% |
| 2021/12 | 305.2 | +54.5% |
| 2020/12 | 197.6 | +42.9% |
| 2019/12 | 138.3 | -5.1% |
| 2018/12 | 145.7 | -14.9% |
| 2017/12 | 171.3 | -13.3% |
| 2016/12 | 197.7 | +18.4% |
| 2015/12 | 166.9 | -12.2% |
| 2014/12 | 190.2 | -7.1% |
| 2013/12 | 204.9 | -11.5% |
| 2012/12 | 231.4 | +15.7% |
| 2011/12 | 200.0 | - |