| （単位：千ドル） | 研究開発費 | 前年比（％） |
|---|---|---|
| 4Q25 | 39,000 | -9.3% |
| 3Q25 | 39,000 | +8.3% |
| 2Q25 | 37,000 | +8.8% |
| 1Q25 | 35,000 | +12.9% |
| 4Q24 | 43,000 | +13.2% |
| 3Q24 | 36,000 | +24.1% |
| 2Q24 | 34,000 | +21.4% |
| 1Q24 | 31,000 | +10.7% |
| 4Q23 | 38,000 | +15.2% |
| 3Q23 | 29,000 | +11.5% |
| 2Q23 | 28,000 | +16.7% |
| 1Q23 | 28,000 | +21.7% |
| 4Q22 | 33,000 | +17.9% |
| 3Q22 | 26,000 | +23.8% |
| 2Q22 | 24,000 | +9.1% |
| 1Q22 | 23,000 | +15.0% |
| 4Q21 | 28,000 | +21.7% |
| 3Q21 | 21,000 | +5.0% |
| 2Q21 | 22,000 | +22.2% |
| 1Q21 | 20,000 | -4.8% |
| 4Q20 | 23,000 | +4.5% |
| 3Q20 | 20,000 | -4.8% |
| 2Q20 | 18,000 | -18.2% |
| 1Q20 | 21,000 | -4.5% |
| 4Q19 | 22,000 | -4.3% |
| 3Q19 | 21,000 | 0.0% |
| 2Q19 | 22,000 | 0.0% |
| 1Q19 | 22,000 | -4.3% |
| 4Q18 | 23,000 | +9.5% |
| 3Q18 | 21,000 | -4.5% |
| 2Q18 | 22,000 | +4.8% |
| 1Q18 | 23,000 | +9.5% |
| 4Q17 | 21,000 | -4.5% |
| 3Q17 | 22,000 | +10.0% |
| 2Q17 | 21,000 | 0.0% |
| 1Q17 | 21,000 | +10.5% |
| 4Q16 | 22,000 | +10.0% |
| 3Q16 | 20,000 | +11.1% |
| 2Q16 | 21,000 | +16.7% |
| 1Q16 | 19,000 | +11.8% |
| 4Q15 | 20,000 | +5.3% |
| 3Q15 | 18,000 | 0.0% |
| 2Q15 | 18,000 | -10.0% |
| 1Q15 | 17,000 | -10.5% |
| 4Q14 | 19,000 | - |
| 3Q14 | 18,000 | -5.3% |
| 2Q14 | 20,000 | 0.0% |
| 1Q14 | 19,000 | +5.6% |
| 2Q13 | 19,000 | -5.0% |
| 2Q13 | 20,000 | -4.8% |
| 1Q13 | 18,000 | -5.3% |
| 4Q12 | 19,000 | 0.0% |
| 3Q12 | 20,000 | 0.0% |
| 2Q12 | 21,000 | +10.5% |
| 1Q12 | 19,000 | 0.0% |
| 4Q11 | 19,000 | -9.5% |
| 3Q11 | 20,000 | +5.3% |
| 2Q11 | 19,000 | +5.6% |
| 1Q11 | 19,000 | - |
| 4Q10 | 21,000 | - |
| 3Q10 | 19,000 | - |
| 2Q10 | 18,000 | - |