| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 128.3 | -7.0% |
| 2023/12 | 137.9 | -16.8% |
| 2022/12 | 165.7 | -38.4% |
| 2021/12 | 269.0 | +27.1% |
| 2020/12 | 211.7 | -12.4% |
| 2019/12 | 241.6 | +4.9% |
| 2018/12 | 230.4 | +26.7% |
| 2017/12 | 181.9 | -8.4% |
| 2016/12 | 198.5 | +7.7% |
| 2015/12 | 184.3 | +31.8% |
| 2014/12 | 139.8 | -3.6% |
| 2013/12 | 145.1 | +15.3% |
| 2012/12 | 125.8 | - |
| 2012/1 | 127.0 | - |