| （単位：千ドル） | 研究開発費 | 前年比（％） |
|---|---|---|
| 4Q25 | 2,795 | -36.5% |
| 3Q25 | 2,494 | -45.7% |
| 2Q25 | 3,794 | -16.9% |
| 1Q25 | 4,333 | -3.5% |
| 4Q24 | 4,405 | +8.1% |
| 3Q24 | 4,591 | +8.8% |
| 2Q24 | 4,565 | +15.2% |
| 1Q24 | 4,489 | +9.5% |
| 4Q23 | 4,075 | -2.9% |
| 3Q23 | 4,218 | -10.1% |
| 2Q23 | 3,964 | -10.9% |
| 1Q23 | 4,099 | +14.1% |
| 4Q22 | 4,197 | +26.7% |
| 3Q22 | 4,694 | +52.6% |
| 2Q22 | 4,447 | +70.4% |
| 1Q22 | 3,592 | +47.1% |
| 4Q21 | 3,313 | +44.5% |
| 3Q21 | 3,077 | +47.4% |
| 2Q21 | 2,609 | +23.0% |
| 1Q21 | 2,442 | +9.7% |
| 4Q20 | 2,293 | -10.6% |
| 3Q20 | 2,088 | +2.1% |
| 2Q20 | 2,121 | +13.5% |
| 1Q20 | 2,227 | +15.5% |
| 4Q19 | 2,565 | +51.6% |
| 3Q19 | 2,046 | +47.8% |
| 2Q19 | 1,868 | +14.0% |
| 1Q19 | 1,928 | +20.1% |
| 4Q18 | 1,692 | +18.6% |
| 3Q18 | 1,384 | -5.7% |
| 2Q18 | 1,638 | -4.2% |
| 1Q18 | 1,605 | +1.8% |
| 4Q17 | 1,427 | +3.3% |
| 3Q17 | 1,468 | +10.5% |
| 2Q17 | 1,709 | +32.9% |
| 1Q17 | 1,576 | +20.3% |
| 4Q16 | 1,382 | +10.4% |
| 3Q16 | 1,328 | +15.9% |
| 2Q16 | 1,286 | -17.1% |
| 1Q16 | 1,310 | +0.5% |
| 4Q15 | 1,252 | -17.6% |
| 3Q15 | 1,146 | -8.9% |
| 2Q15 | 1,551 | -19.2% |
| 1Q15 | 1,304 | - |
| 4Q14 | 1,519 | - |
| 3Q14 | 1,258 | - |
| 2Q14 | 1,920 | - |