| （単位：千ドル） | 研究開発費 | 前年比（％） |
|---|---|---|
| 4Q25 | 31,368 | -12.8% |
| 3Q25 | 33,034 | -22.6% |
| 2Q25 | 32,589 | -28.1% |
| 1Q25 | 36,809 | -18.8% |
| 4Q24 | 35,952 | -15.7% |
| 3Q24 | 42,685 | -6.1% |
| 2Q24 | 45,325 | +1.0% |
| 1Q24 | 45,314 | -1.4% |
| 4Q23 | 42,623 | -10.2% |
| 3Q23 | 45,448 | -5.2% |
| 2Q23 | 44,857 | -6.5% |
| 1Q23 | 45,939 | -0.1% |
| 4Q22 | 47,446 | +18.2% |
| 3Q22 | 47,947 | +19.7% |
| 2Q22 | 47,971 | +11.8% |
| 1Q22 | 45,980 | +27.9% |
| 4Q21 | 40,143 | +20.5% |
| 3Q21 | 40,060 | +19.9% |
| 2Q21 | 42,913 | +41.9% |
| 1Q21 | 35,956 | +4.4% |
| 4Q20 | 33,314 | -13.4% |
| 3Q20 | 33,423 | -12.5% |
| 2Q20 | 30,239 | -17.6% |
| 1Q20 | 34,453 | -1.8% |
| 4Q19 | 38,455 | +8.3% |
| 3Q19 | 38,189 | +1.0% |
| 2Q19 | 36,685 | -3.4% |
| 1Q19 | 35,096 | -2.5% |
| 4Q18 | 35,498 | +7.0% |
| 3Q18 | 37,800 | +11.2% |
| 2Q18 | 37,980 | +21.7% |
| 1Q18 | 36,001 | +13.2% |
| 4Q17 | 33,172 | +5.6% |
| 3Q17 | 34,002 | +7.6% |
| 2Q17 | 31,216 | -3.3% |
| 1Q17 | 31,814 | +1.5% |
| 4Q16 | 31,425 | +1.8% |
| 3Q16 | 31,601 | +2.5% |
| 2Q16 | 32,288 | +3.3% |
| 1Q16 | 31,351 | +2.0% |
| 4Q15 | 30,872 | +16.5% |
| 3Q15 | 30,816 | +57.8% |
| 2Q15 | 31,242 | +68.9% |
| 1Q15 | 30,736 | +74.0% |
| 4Q14 | 26,497 | +78.6% |
| 3Q14 | 19,525 | +28.5% |
| 2Q14 | 18,492 | +29.2% |
| 1Q14 | 17,664 | +29.7% |
| 4Q13 | 14,837 | +14.8% |
| 3Q13 | 15,189 | +13.4% |
| 2Q13 | 14,308 | +14.8% |
| 1Q13 | 13,616 | +2.4% |
| 4Q12 | 12,923 | +12.3% |
| 3Q12 | 13,395 | +9.3% |
| 2Q12 | 12,460 | +3.2% |
| 1Q12 | 13,294 | - |
| 4Q11 | 11,503 | - |
| 3Q11 | 12,250 | - |
| 2Q11 | 12,077 | - |