| （単位：千ドル） | 研究開発費 | 前年比（％） |
|---|---|---|
| 2025/5 | 26,222 | -16.8% |
| 2024/5 | 31,512 | +5.5% |
| 2023/5 | 29,883 | -2.8% |
| 2022/5 | 30,739 | -15.5% |
| 2021/5 | 36,390 | +22.6% |
| 2020/5 | 29,682 | +5.0% |
| 2019/5 | 28,258 | +11.0% |
| 2018/5 | 25,459 | +0.8% |
| 2017/5 | 25,269 | +0.9% |
| 2016/5 | 25,053 | -7.0% |
| 2015/5 | 26,931 | -2.1% |
| 2014/5 | 27,510 | +4.5% |
| 2013/5 | 26,319 | +28.3% |
| 2012/5 | 20,511 | - |