| （単位：千ドル） | 研究開発費 | 前年比（％） |
|---|---|---|
| 4Q25 | 34,784 | -10.4% |
| 3Q25 | 34,366 | +12.3% |
| 2Q25 | 35,383 | +5.1% |
| 1Q25 | 36,140 | -11.2% |
| 4Q24 | 38,840 | -8.9% |
| 3Q24 | 30,595 | -53.2% |
| 2Q24 | 33,655 | -26.9% |
| 1Q24 | 40,692 | -33.1% |
| 4Q23 | 42,619 | -26.9% |
| 3Q23 | 65,400 | +36.1% |
| 2Q23 | 46,036 | -0.3% |
| 1Q23 | 60,809 | +35.1% |
| 4Q22 | 58,328 | +37.8% |
| 3Q22 | 48,068 | +31.9% |
| 2Q22 | 46,192 | +41.1% |
| 1Q22 | 45,003 | +37.8% |
| 4Q21 | 42,339 | +33.6% |
| 3Q21 | 36,432 | +0.4% |
| 2Q21 | 32,747 | +15.3% |
| 1Q21 | 32,656 | +25.5% |
| 4Q20 | 31,684 | +19.6% |
| 3Q20 | 36,302 | +54.1% |
| 2Q20 | 28,401 | +17.6% |
| 1Q20 | 26,013 | +26.7% |
| 4Q19 | 26,492 | +41.5% |
| 3Q19 | 23,554 | +14.7% |
| 2Q19 | 24,154 | +30.6% |
| 1Q19 | 20,537 | +20.4% |
| 4Q18 | 18,717 | +2.8% |
| 3Q18 | 20,541 | +2.2% |
| 2Q18 | 18,493 | +9.6% |
| 1Q18 | 17,058 | +0.4% |
| 4Q17 | 18,209 | - |
| 3Q17 | 20,103 | - |
| 2Q17 | 16,866 | - |
| 1Q17 | 16,994 | - |