| （単位：千ドル） | 研究開発費 | 前年比（％） |
|---|---|---|
| 4Q25 | 19,306 | +16.8% |
| 3Q25 | 16,769 | -4.1% |
| 2Q25 | 16,830 | -14.5% |
| 1Q25 | 18,524 | -1.0% |
| 4Q24 | 16,530 | -9.6% |
| 3Q24 | 17,486 | -8.0% |
| 2Q24 | 19,678 | -2.7% |
| 1Q24 | 18,711 | -23.2% |
| 4Q23 | 18,276 | -22.5% |
| 3Q23 | 19,000 | -14.8% |
| 2Q23 | 20,233 | -10.6% |
| 1Q23 | 24,357 | +11.3% |
| 4Q22 | 23,570 | +6.9% |
| 3Q22 | 22,306 | +14.7% |
| 2Q22 | 22,632 | +18.9% |
| 1Q22 | 21,880 | +36.7% |
| 4Q21 | 22,046 | +65.4% |
| 3Q21 | 19,439 | +55.8% |
| 2Q21 | 19,036 | +45.0% |
| 1Q21 | 16,004 | +59.8% |
| 4Q20 | 13,325 | +48.9% |
| 3Q20 | 12,474 | +46.4% |
| 2Q20 | 13,129 | +72.1% |
| 1Q20 | 10,013 | +78.4% |
| 4Q19 | 8,946 | +136.5% |
| 3Q19 | 8,521 | +120.3% |
| 2Q19 | 7,630 | +118.2% |
| 1Q19 | 5,614 | +66.7% |
| 4Q18 | 3,782 | +24.9% |
| 3Q18 | 3,868 | +30.7% |
| 2Q18 | 3,496 | +12.1% |
| 1Q18 | 3,368 | +2.6% |
| 4Q17 | 3,028 | -4.0% |
| 3Q17 | 2,959 | +1.0% |
| 2Q17 | 3,118 | -0.8% |
| 1Q17 | 3,283 | +3.9% |
| 4Q16 | 3,154 | +16.6% |
| 3Q16 | 2,930 | +8.6% |
| 2Q16 | 3,143 | +25.2% |
| 1Q16 | 3,159 | +122.3% |
| 4Q15 | 2,704 | +108.3% |
| 3Q15 | 2,698 | +160.4% |
| 2Q15 | 2,510 | +216.9% |
| 1Q15 | 1,421 | - |
| 4Q14 | 1,298 | - |
| 3Q14 | 1,036 | - |
| 2Q14 | 792 | - |