| （単位：千ドル） | 研究開発費 | 前年比（％） |
|---|---|---|
| 4Q25 | 32,133 | -35.8% |
| 3Q25 | 34,603 | -21.9% |
| 2Q25 | 30,503 | -35.0% |
| 1Q25 | 29,557 | -33.7% |
| 4Q24 | 50,025 | +14.0% |
| 3Q24 | 44,328 | +6.3% |
| 2Q24 | 46,932 | +12.0% |
| 1Q24 | 44,612 | +16.8% |
| 4Q23 | 43,892 | +21.8% |
| 3Q23 | 41,708 | +15.7% |
| 2Q23 | 41,903 | +15.7% |
| 1Q23 | 38,185 | +20.8% |
| 4Q22 | 36,026 | +3.5% |
| 3Q22 | 36,043 | -1.1% |
| 2Q22 | 36,218 | -4.2% |
| 1Q22 | 31,598 | -2.6% |
| 4Q21 | 34,806 | +26.5% |
| 3Q21 | 36,458 | -2.1% |
| 2Q21 | 37,800 | +9.4% |
| 1Q21 | 32,430 | +0.5% |
| 4Q20 | 27,515 | -13.1% |
| 3Q20 | 37,235 | +6.6% |
| 2Q20 | 34,558 | -11.0% |
| 1Q20 | 32,281 | -13.8% |
| 4Q19 | 31,679 | -14.2% |
| 3Q19 | 34,940 | -15.1% |
| 2Q19 | 38,811 | +1.5% |
| 1Q19 | 37,464 | -26.5% |
| 4Q18 | 36,935 | -29.7% |
| 3Q18 | 41,157 | -25.3% |
| 2Q18 | 38,225 | -31.1% |
| 1Q18 | 50,979 | -23.0% |
| 4Q17 | 52,504 | -43.4% |
| 3Q17 | 55,098 | -42.7% |
| 2Q17 | 55,497 | -40.4% |
| 1Q17 | 66,166 | -14.0% |
| 4Q16 | 92,728 | +39.6% |
| 3Q16 | 96,146 | +42.7% |
| 2Q16 | 93,049 | +59.2% |
| 1Q16 | 76,979 | +55.7% |
| 4Q15 | 66,432 | +44.2% |
| 3Q15 | 67,372 | +59.0% |
| 2Q15 | 58,453 | +68.6% |
| 1Q15 | 49,437 | - |
| 4Q14 | 46,074 | - |
| 3Q14 | 42,376 | - |
| 2Q14 | 34,663 | - |