| （単位：千ドル） | 研究開発費 | 前年比（％） |
|---|---|---|
| 4Q25 | 47,055 | -12.0% |
| 3Q25 | 47,494 | -5.8% |
| 2Q25 | 44,843 | -14.5% |
| 1Q25 | 46,152 | -12.8% |
| 4Q24 | 53,491 | +15.7% |
| 3Q24 | 50,411 | +16.1% |
| 2Q24 | 52,465 | +21.3% |
| 1Q24 | 52,916 | +19.0% |
| 4Q23 | 46,217 | +10.9% |
| 3Q23 | 43,419 | +11.6% |
| 2Q23 | 43,246 | +20.7% |
| 1Q23 | 44,481 | +16.6% |
| 4Q22 | 41,664 | +24.5% |
| 3Q22 | 38,898 | +26.0% |
| 2Q22 | 35,830 | +27.4% |
| 1Q22 | 38,161 | +43.4% |
| 4Q21 | 33,473 | +47.2% |
| 3Q21 | 30,873 | +48.2% |
| 2Q21 | 28,124 | +36.9% |
| 1Q21 | 26,613 | +37.5% |
| 4Q20 | 22,743 | +39.3% |
| 3Q20 | 20,833 | +28.5% |
| 2Q20 | 20,547 | +30.9% |
| 1Q20 | 19,348 | +22.5% |
| 4Q19 | 16,322 | +10.2% |
| 3Q19 | 16,209 | +12.7% |
| 2Q19 | 15,696 | - |
| 1Q19 | 15,800 | - |
| 4Q18 | 14,808 | - |
| 3Q18 | 14,377 | - |