| （単位：千ドル） | 研究開発費 | 前年比（％） |
|---|---|---|
| 4Q25 | 44,000 | -18.5% |
| 3Q25 | 43,000 | -15.7% |
| 2Q25 | 44,000 | -10.2% |
| 1Q25 | 43,000 | -6.5% |
| 4Q24 | 54,000 | 0.0% |
| 3Q24 | 51,000 | +4.1% |
| 2Q24 | 49,000 | +4.3% |
| 1Q24 | 46,000 | +4.5% |
| 4Q23 | 54,000 | +10.2% |
| 3Q23 | 49,000 | +4.3% |
| 2Q23 | 47,000 | +2.2% |
| 1Q23 | 44,000 | +2.3% |
| 4Q22 | 49,000 | -2.0% |
| 3Q22 | 47,000 | +11.9% |
| 2Q22 | 46,000 | +12.2% |
| 1Q22 | 43,000 | +13.2% |
| 4Q21 | 50,000 | +25.0% |
| 3Q21 | 42,000 | +27.3% |
| 2Q21 | 41,000 | +7.9% |
| 1Q21 | 38,000 | +5.6% |
| 4Q20 | 40,000 | -14.9% |
| 3Q20 | 33,000 | -15.4% |
| 2Q20 | 38,000 | +2.7% |
| 1Q20 | 36,000 | +16.1% |
| 4Q19 | 47,000 | +27.0% |
| 3Q19 | 39,000 | +18.2% |
| 2Q19 | 37,000 | +12.1% |
| 1Q19 | 31,000 | +10.7% |
| 4Q18 | 37,000 | +19.4% |
| 3Q18 | 33,000 | +26.9% |
| 2Q18 | 33,000 | +32.0% |
| 1Q18 | 28,000 | +21.7% |
| 4Q17 | 31,000 | +26.5% |
| 3Q17 | 26,000 | +25.6% |
| 2Q17 | 25,000 | +14.7% |
| 1Q17 | 23,000 | +5.5% |
| 4Q16 | 24,500 | +4.3% |
| 3Q16 | 20,700 | -12.3% |
| 2Q16 | 21,800 | -6.0% |
| 1Q16 | 21,800 | -1.8% |
| 4Q15 | 23,500 | -30.1% |
| 3Q15 | 23,600 | -3.7% |
| 2Q15 | 23,200 | +9.4% |
| 1Q15 | 22,200 | -9.4% |
| 4Q14 | 33,600 | +37.7% |
| 3Q14 | 24,500 | +17.2% |
| 2Q14 | 21,200 | -7.0% |
| 1Q14 | 24,500 | -15.5% |
| 4Q13 | 24,400 | -13.2% |
| 3Q13 | 20,900 | -41.8% |
| 2Q13 | 22,800 | -1.7% |
| 1Q13 | 29,000 | +3.9% |
| 4Q12 | 28,100 | - |
| 3Q12 | 35,900 | - |
| 2Q12 | 23,200 | - |
| 1Q12 | 27,900 | - |