| （単位：千ドル） | 研究開発費 | 前年比（％） |
|---|---|---|
| 4Q25 | 4,515 | -14.0% |
| 3Q25 | 4,790 | +3.0% |
| 2Q25 | 4,615 | -6.9% |
| 1Q25 | 4,244 | -18.3% |
| 4Q24 | 5,249 | -3.3% |
| 3Q24 | 4,651 | -2.3% |
| 2Q24 | 4,959 | +6.4% |
| 1Q24 | 5,197 | +12.9% |
| 4Q23 | 5,429 | +9.3% |
| 3Q23 | 4,762 | -1.2% |
| 2Q23 | 4,662 | +2.4% |
| 1Q23 | 4,604 | +1.0% |
| 4Q22 | 4,965 | +6.5% |
| 3Q22 | 4,819 | -11.4% |
| 2Q22 | 4,554 | -25.5% |
| 1Q22 | 4,560 | -26.7% |
| 4Q21 | 4,663 | -25.4% |
| 3Q21 | 5,437 | -17.1% |
| 2Q21 | 6,111 | +5.1% |
| 1Q21 | 6,224 | -7.8% |
| 4Q20 | 6,254 | +0.3% |
| 3Q20 | 6,555 | +3.0% |
| 2Q20 | 5,814 | -3.6% |
| 1Q20 | 6,752 | +7.2% |
| 4Q19 | 6,237 | -21.2% |
| 3Q19 | 6,366 | - |
| 2Q19 | 6,030 | - |
| 1Q19 | 6,299 | - |
| 4Q18 | 7,910 | +22.5% |
| 4Q17 | 6,459 | - |