| （単位：千ドル） | 研究開発費 | 前年比（％） |
|---|---|---|
| 4Q25 | 4,545 | +5.4% |
| 3Q25 | 5,452 | -32.5% |
| 2Q25 | 7,141 | +4.9% |
| 1Q25 | 5,141 | -28.7% |
| 4Q24 | 4,314 | -59.2% |
| 3Q24 | 8,073 | +24.9% |
| 2Q24 | 6,807 | -3.3% |
| 1Q24 | 7,212 | +5.5% |
| 4Q23 | 10,586 | +34.9% |
| 3Q23 | 6,466 | +0.6% |
| 2Q23 | 7,040 | -1.3% |
| 1Q23 | 6,835 | +19.2% |
| 4Q22 | 7,849 | +2.1% |
| 3Q22 | 6,430 | +46.1% |
| 2Q22 | 7,131 | +50.6% |
| 1Q22 | 5,735 | -17.5% |
| 4Q21 | 7,690 | -24.3% |
| 3Q21 | 4,401 | -45.2% |
| 2Q21 | 4,734 | -44.1% |
| 1Q21 | 6,948 | -29.6% |
| 4Q20 | 10,158 | -7.3% |
| 3Q20 | 8,030 | -13.4% |
| 2Q20 | 8,469 | -0.1% |
| 1Q20 | 9,866 | +1.9% |
| 4Q19 | 10,960 | +63.5% |
| 3Q19 | 9,276 | +135.9% |
| 2Q19 | 8,474 | +51.3% |
| 1Q19 | 9,684 | +81.8% |
| 4Q18 | 6,702 | +24.1% |
| 3Q18 | 3,933 | -11.8% |
| 2Q18 | 5,599 | +25.9% |
| 1Q18 | 5,326 | +32.5% |
| 4Q17 | 5,399 | +42.7% |
| 3Q17 | 4,459 | -8.8% |
| 2Q17 | 4,448 | -33.2% |
| 1Q17 | 4,020 | -15.2% |
| 4Q16 | 3,783 | - |
| 3Q16 | 4,890 | - |
| 2Q16 | 6,659 | +102.9% |
| 1Q16 | 4,743 | +12.4% |
| 2Q15 | 3,282 | +80.0% |
| 1Q15 | 4,218 | - |
| 4Q14 | 2,666 | - |
| 3Q14 | 2,478 | - |
| 2Q14 | 1,823 | - |