| （単位：千ドル） | 研究開発費 | 前年比（％） |
|---|---|---|
| 4Q25 | 14,244 | -18.8% |
| 3Q25 | 15,402 | +1.0% |
| 2Q25 | 16,478 | -1.9% |
| 1Q25 | 15,876 | -10.7% |
| 4Q24 | 17,549 | +12.7% |
| 3Q24 | 15,255 | -13.3% |
| 2Q24 | 16,795 | -5.7% |
| 1Q24 | 17,774 | -0.8% |
| 4Q23 | 15,572 | -14.5% |
| 3Q23 | 17,597 | -0.8% |
| 2Q23 | 17,817 | -9.7% |
| 1Q23 | 17,914 | -2.8% |
| 4Q22 | 18,217 | +12.0% |
| 3Q22 | 17,735 | -18.0% |
| 2Q22 | 19,721 | +0.4% |
| 1Q22 | 18,427 | -13.7% |
| 4Q21 | 16,266 | -22.6% |
| 3Q21 | 21,639 | +51.7% |
| 2Q21 | 19,644 | +44.4% |
| 1Q21 | 21,351 | +38.6% |
| 4Q20 | 21,022 | +33.9% |
| 3Q20 | 14,261 | +3.6% |
| 2Q20 | 13,606 | +14.0% |
| 1Q20 | 15,406 | +18.7% |
| 4Q19 | 15,704 | +21.2% |
| 3Q19 | 13,770 | +15.2% |
| 2Q19 | 11,938 | +6.1% |
| 1Q19 | 12,984 | +6.3% |
| 4Q18 | 12,958 | +26.2% |
| 3Q18 | 11,950 | -3.9% |
| 2Q18 | 11,252 | -2.6% |
| 1Q18 | 12,210 | +3.9% |
| 4Q17 | 10,267 | -5.6% |
| 3Q17 | 12,431 | +38.7% |
| 2Q17 | 11,555 | +25.4% |
| 1Q17 | 11,752 | +30.8% |
| 4Q16 | 10,881 | +26.2% |
| 3Q16 | 8,965 | +8.2% |
| 2Q16 | 9,213 | +2.7% |
| 1Q16 | 8,988 | +6.4% |
| 4Q15 | 8,625 | +4.8% |
| 3Q15 | 8,289 | +8.5% |
| 2Q15 | 8,969 | +18.0% |
| 1Q15 | 8,447 | +17.1% |
| 4Q14 | 8,229 | +29.6% |
| 3Q14 | 7,637 | +27.3% |
| 2Q14 | 7,600 | +19.0% |
| 1Q14 | 7,213 | +6.9% |
| 4Q13 | 6,351 | +31.6% |
| 3Q13 | 6,000 | +27.9% |
| 2Q13 | 6,388 | +38.4% |
| 1Q13 | 6,746 | +50.3% |
| 4Q12 | 4,826 | +31.9% |
| 3Q12 | 4,692 | +14.3% |
| 2Q12 | 4,617 | +20.3% |
| 1Q12 | 4,489 | -5.9% |
| 4Q11 | 3,659 | -8.9% |
| 3Q11 | 4,105 | +36.5% |
| 2Q11 | 3,837 | +32.6% |
| 1Q11 | 4,772 | - |
| 4Q10 | 4,017 | - |
| 3Q10 | 3,008 | - |
| 2Q10 | 2,893 | - |