| （単位：千ドル） | 研究開発費 | 前年比（％） |
|---|---|---|
| 4Q25 | 16,958 | -58.6% |
| 3Q25 | 18,350 | -55.6% |
| 2Q25 | 28,717 | -34.2% |
| 1Q25 | 29,428 | -33.8% |
| 4Q24 | 41,008 | -10.3% |
| 3Q24 | 41,337 | -10.5% |
| 2Q24 | 43,651 | -17.4% |
| 1Q24 | 44,435 | -5.3% |
| 4Q23 | 45,724 | -1.3% |
| 3Q23 | 46,202 | +1.7% |
| 2Q23 | 52,872 | +0.7% |
| 1Q23 | 46,907 | -10.5% |
| 4Q22 | 46,316 | -3.2% |
| 3Q22 | 45,426 | +5.0% |
| 2Q22 | 52,480 | +26.2% |
| 1Q22 | 52,415 | +13.6% |
| 4Q21 | 47,826 | +1.9% |
| 3Q21 | 43,269 | -1.8% |
| 2Q21 | 41,595 | +3.0% |
| 1Q21 | 46,131 | +16.7% |
| 4Q20 | 46,949 | +21.7% |
| 3Q20 | 44,041 | +20.9% |
| 2Q20 | 40,374 | +25.9% |
| 1Q20 | 39,541 | +21.0% |
| 4Q19 | 38,573 | +15.2% |
| 3Q19 | 36,442 | +25.5% |
| 2Q19 | 32,065 | +22.3% |
| 1Q19 | 32,692 | +28.0% |
| 4Q18 | 33,495 | +46.6% |
| 3Q18 | 29,045 | +46.1% |
| 2Q18 | 26,218 | +31.8% |
| 1Q18 | 25,533 | +32.3% |
| 4Q17 | 22,849 | +33.6% |
| 3Q17 | 19,876 | +22.4% |
| 2Q17 | 19,899 | +24.1% |
| 1Q17 | 19,302 | +13.8% |
| 4Q16 | 17,099 | +19.4% |
| 3Q16 | 16,241 | +3.7% |
| 2Q16 | 16,033 | +20.8% |
| 1Q16 | 16,958 | +5.0% |
| 4Q15 | 14,315 | +15.6% |
| 3Q15 | 15,664 | +16.1% |
| 2Q15 | 13,268 | +8.9% |
| 1Q15 | 16,144 | +42.6% |
| 4Q14 | 12,387 | - |
| 3Q14 | 13,490 | - |
| 2Q14 | 12,189 | - |
| 1Q14 | 11,320 | - |