| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 184.3 | +8.2% |
| 2023/12 | 170.3 | -14.2% |
| 2022/12 | 198.5 | -10.2% |
| 2021/12 | 221.1 | +8.3% |
| 2020/12 | 204.1 | +17.1% |
| 2019/12 | 174.2 | -4.7% |
| 2018/12 | 182.8 | -3.1% |
| 2017/12 | 188.6 | +2.8% |
| 2016/12 | 183.5 | +27.5% |
| 2015/12 | 144.0 | +9.5% |
| 2014/12 | 131.5 | +1.6% |
| 2013/12 | 129.5 | -4.8% |
| 2012/12 | 136.0 | +0.7% |
| 2011/12 | 135.1 | -0.1% |
| 2010/12 | 135.2 | - |