| （単位：千ドル） | 研究開発費 | 前年比（％） |
|---|---|---|
| 4Q25 | 16,836 | -15.6% |
| 3Q25 | 16,643 | -26.3% |
| 2Q25 | 18,161 | -30.3% |
| 1Q25 | 20,937 | -21.5% |
| 4Q24 | 19,956 | -20.8% |
| 3Q24 | 22,586 | -2.0% |
| 2Q24 | 26,057 | +10.9% |
| 1Q24 | 26,684 | +0.5% |
| 4Q23 | 25,203 | +9.4% |
| 3Q23 | 23,041 | +3.6% |
| 2Q23 | 23,486 | +4.2% |
| 1Q23 | 26,564 | +43.4% |
| 4Q22 | 23,038 | +28.6% |
| 3Q22 | 22,249 | +33.4% |
| 2Q22 | 22,541 | +37.5% |
| 1Q22 | 18,518 | +20.9% |
| 4Q21 | 17,910 | +51.9% |
| 3Q21 | 16,678 | +44.5% |
| 2Q21 | 16,396 | +9.0% |
| 1Q21 | 15,319 | -5.3% |
| 4Q20 | 11,793 | -33.5% |
| 3Q20 | 11,540 | -27.4% |
| 2Q20 | 15,047 | -7.7% |
| 1Q20 | 16,171 | +13.4% |
| 4Q19 | 17,735 | +32.4% |
| 3Q19 | 15,902 | +23.7% |
| 2Q19 | 16,295 | - |
| 1Q19 | 14,264 | - |
| 4Q18 | 13,400 | - |
| 3Q18 | 12,856 | - |