| （単位：千） | 研究開発費 | 前年比（％） |
|---|---|---|
| 2024/12 | 70,752 | -14.4% |
| 2023/12 | 82,659 | -37.3% |
| 2022/12 | 131,807 | -16.9% |
| 2021/12 | 158,586 | -7.8% |
| 2020/12 | 171,989 | -29.2% |
| 2019/12 | 242,757 | +18.6% |
| 2018/12 | 204,723 | +6.4% |
| 2017/12 | 192,325 | +18.8% |
| 2016/12 | 161,880 | -5.2% |
| 2015/12 | 170,714 | +13.8% |
| 2014/12 | 149,996 | +38.0% |
| 2013/12 | 108,683 | +19.0% |
| 2012/12 | 91,292 | - |