| （単位：千ドル） | 研究開発費 | 前年比（％） |
|---|---|---|
| 2022/12 | 444,200 | +9.5% |
| 2021/12 | 405,800 | +18.4% |
| 2020/12 | 342,600 | -0.2% |
| 2019/12 | 343,400 | -3.3% |
| 2018/12 | 355,200 | +9.9% |
| 2017/12 | 323,100 | +9.1% |
| 2016/12 | 296,100 | +4.9% |
| 2015/12 | 282,200 | -16.3% |
| 2014/12 | 337,000 | -4.6% |
| 2013/12 | 353,400 | +11.4% |
| 2012/12 | 317,100 | +15.1% |
| 2011/12 | 275,600 | +25.5% |
| 2010/12 | 219,600 | - |