| （単位：千ドル） | 研究開発費 | 前年比（％） |
|---|---|---|
| 4Q25 | 5,006 | -43.2% |
| 3Q25 | 5,778 | -59.5% |
| 2Q25 | 5,498 | -64.6% |
| 1Q25 | 8,959 | -41.8% |
| 4Q24 | 8,810 | -49.8% |
| 3Q24 | 14,273 | -29.2% |
| 2Q24 | 15,551 | -12.1% |
| 1Q24 | 15,403 | -15.7% |
| 4Q23 | 17,564 | -23.5% |
| 3Q23 | 20,169 | +0.6% |
| 2Q23 | 17,692 | -22.9% |
| 1Q23 | 18,275 | -1.0% |
| 4Q22 | 22,949 | +12.3% |
| 3Q22 | 20,055 | +23.0% |
| 2Q22 | 22,942 | +49.0% |
| 1Q22 | 18,462 | +38.1% |
| 4Q21 | 20,437 | +40.6% |
| 3Q21 | 16,299 | +35.1% |
| 2Q21 | 15,396 | +47.1% |
| 1Q21 | 13,370 | +28.4% |
| 4Q20 | 14,535 | +17.0% |
| 3Q20 | 12,065 | -32.0% |
| 2Q20 | 10,465 | -17.9% |
| 1Q20 | 10,416 | -29.2% |
| 4Q19 | 12,418 | +12.2% |
| 3Q19 | 17,731 | +7.0% |
| 2Q19 | 12,740 | -22.1% |
| 1Q19 | 14,712 | +5.5% |
| 4Q18 | 11,063 | -37.9% |
| 3Q18 | 16,566 | +6.6% |
| 2Q18 | 16,356 | +5.9% |
| 1Q18 | 13,949 | +0.6% |
| 4Q17 | 17,822 | +3.9% |
| 3Q17 | 15,537 | -1.3% |
| 2Q17 | 15,445 | +1.5% |
| 1Q17 | 13,872 | +5.5% |
| 4Q16 | 17,156 | +15.1% |
| 3Q16 | 15,738 | -3.8% |
| 2Q16 | 15,215 | +57.0% |
| 1Q16 | 13,144 | +24.5% |
| 4Q15 | 14,904 | +25.2% |
| 3Q15 | 16,354 | +75.7% |
| 2Q15 | 9,690 | +4.2% |
| 1Q15 | 10,557 | +28.7% |
| 4Q14 | 11,902 | - |
| 3Q14 | 9,309 | - |
| 2Q14 | 9,298 | - |
| 1Q14 | 8,204 | - |