| （単位：千ドル） | 研究開発費 | 前年比（％） |
|---|---|---|
| 2025/1 | 149,305 | +11.6% |
| 2024/1 | 133,804 | +2.4% |
| 2023/1 | 130,644 | +6.0% |
| 2022/1 | 123,291 | -48.7% |
| 2021/1 | 240,169 | +3.7% |
| 2020/1 | 231,683 | +10.8% |
| 2019/1 | 209,106 | +9.7% |
| 2018/1 | 190,643 | +11.4% |
| 2017/1 | 171,070 | -3.7% |
| 2016/1 | 177,650 | +2.2% |
| 2015/1 | 173,748 | +37.3% |
| 2014/1 | 126,539 | +9.2% |
| 2013/1 | 115,906 | +4.4% |
| 2012/1 | 111,001 | - |