| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 191.2 | +5.3% |
| 2023/12 | 181.6 | +22.9% |
| 2022/12 | 147.7 | -10.6% |
| 2021/12 | 165.2 | +19.7% |
| 2020/12 | 138.0 | -19.0% |
| 2019/12 | 170.4 | +58.2% |
| 2018/12 | 107.7 | -38.4% |
| 2017/12 | 174.8 | -19.7% |
| 2016/12 | 217.7 | -4.2% |
| 2015/12 | 227.3 | +29.1% |
| 2014/12 | 176.1 | -2.5% |
| 2013/12 | 180.6 | -7.1% |
| 2012/12 | 194.3 | -5.1% |
| 2011/12 | 204.7 | - |