| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 204.9 | +1.6% |
| 2023/12 | 201.7 | -2.3% |
| 2022/12 | 206.4 | -7.5% |
| 2021/12 | 223.1 | -25.1% |
| 2020/12 | 297.9 | +51.9% |
| 2019/12 | 196.0 | +1.2% |
| 2018/12 | 193.8 | -36.7% |
| 2017/12 | 306.0 | +14.5% |
| 2016/12 | 267.2 | +10.4% |
| 2015/12 | 242.1 | +78.6% |
| 2014/12 | 135.5 | +35.9% |
| 2013/12 | 99.7 | -5.1% |
| 2012/12 | 105.0 | +6.7% |
| 2011/12 | 98.4 | +5.7% |
| 2010/12 | 93.1 | - |