| （単位：千） | 研究開発費 | 前年比（％） |
|---|---|---|
| 2024/12 | 246,612 | -23.5% |
| 2023/12 | 322,220 | +5.0% |
| 2022/12 | 306,842 | +62.8% |
| 2021/12 | 188,489 | +67.0% |
| 2020/12 | 112,891 | +27.1% |
| 2019/12 | 88,792 | -3.6% |
| 2018/12 | 92,109 | -38.2% |
| 2017/12 | 149,143 | -0.1% |
| 2016/12 | 149,337 | +4.6% |
| 2015/12 | 142,835 | +17.4% |
| 2014/12 | 121,676 | +56.3% |
| 2013/12 | 77,831 | - |
| 2011/12 | 34,657 | - |