| （単位：千ドル） | 研究開発費 | 前年比（％） |
|---|---|---|
| 2024/9 | 58,400 | -0.2% |
| 2023/9 | 58,500 | +5.4% |
| 2022/9 | 55,500 | -4.0% |
| 2021/9 | 57,800 | +4.5% |
| 2020/9 | 55,300 | +3.4% |
| 2019/9 | 53,500 | -12.4% |
| 2018/9 | 61,100 | -9.6% |
| 2017/9 | 67,600 | -6.0% |
| 2016/9 | 71,900 | +1.3% |
| 2015/9 | 71,000 | -25.1% |
| 2014/9 | 94,800 | -4.2% |
| 2013/9 | 99,000 | -12.0% |
| 2012/9 | 112,500 | +3.9% |
| 2011/9 | 108,300 | +11.5% |
| 2010/9 | 97,100 | - |