| （単位：千ドル） | 研究開発費 | 前年比（％） |
|---|---|---|
| 4Q25 | 18,521 | -14.7% |
| 3Q25 | 17,337 | -9.6% |
| 2Q25 | 18,352 | -12.3% |
| 1Q25 | 18,513 | -6.8% |
| 4Q24 | 21,702 | +42.1% |
| 3Q24 | 19,173 | +0.5% |
| 2Q24 | 20,914 | +34.1% |
| 1Q24 | 19,854 | -10.0% |
| 4Q23 | 15,272 | -19.7% |
| 3Q23 | 19,081 | +35.2% |
| 3Q23 | 15,601 | +12.9% |
| 3Q23 | 22,063 | +56.3% |
| 4Q22 | 19,014 | +56.3% |
| 3Q22 | 14,110 | +7.0% |
| 2Q22 | 13,821 | +4.8% |
| 1Q22 | 14,113 | +16.6% |
| 4Q21 | 12,162 | -1.1% |
| 3Q21 | 13,188 | +15.9% |
| 2Q21 | 13,193 | +41.2% |
| 1Q21 | 12,104 | +35.8% |
| 4Q20 | 12,298 | +74.1% |
| 3Q20 | 11,381 | +32.5% |
| 2Q20 | 9,342 | +5.5% |
| 1Q20 | 8,911 | +57.6% |
| 4Q19 | 7,065 | +62.6% |
| 3Q19 | 8,589 | -10.3% |
| 2Q19 | 8,854 | -0.9% |
| 1Q19 | 5,655 | -30.5% |
| 4Q18 | 4,344 | - |
| 3Q18 | 9,572 | - |
| 2Q18 | 8,930 | - |
| 1Q18 | 8,133 | - |