| （単位：千ドル） | 研究開発費 | 前年比（％） |
|---|---|---|
| 4Q25 | 4,405 | -2.7% |
| 3Q25 | 4,576 | -32.7% |
| 2Q25 | 4,212 | -7.0% |
| 1Q25 | 5,830 | -13.0% |
| 4Q24 | 4,529 | -39.3% |
| 3Q24 | 6,803 | +5.5% |
| 2Q24 | 4,527 | -43.4% |
| 1Q24 | 6,704 | +14.7% |
| 4Q23 | 7,465 | -53.8% |
| 3Q23 | 6,448 | +48.1% |
| 2Q23 | 8,004 | +112.8% |
| 1Q23 | 5,843 | +13.2% |
| 4Q22 | 16,155 | +376.7% |
| 3Q22 | 4,352 | +18.0% |
| 2Q22 | 3,761 | +36.1% |
| 1Q22 | 5,161 | +265.3% |
| 4Q21 | 3,389 | +36.8% |
| 3Q21 | 3,687 | +79.0% |
| 2Q21 | 2,764 | +95.5% |
| 1Q21 | 1,413 | -28.3% |
| 4Q20 | 2,477 | +83.8% |
| 3Q20 | 2,060 | +12.3% |
| 2Q20 | 1,414 | -25.1% |
| 1Q20 | 1,971 | +91.4% |
| 4Q19 | 1,348 | +177.9% |
| 3Q19 | 1,834 | +477.4% |
| 2Q19 | 1,886 | -25.2% |
| 1Q19 | 1,030 | -91.9% |
| 4Q18 | 485 | -95.5% |
| 3Q18 | 317 | -95.4% |
| 2Q18 | 2,523 | -71.9% |
| 1Q18 | 12,742 | +67.9% |
| 4Q17 | 10,833 | +59.8% |
| 3Q17 | 6,913 | +2.8% |
| 2Q17 | 8,975 | +50.2% |
| 1Q17 | 7,589 | +41.9% |
| 4Q16 | 6,778 | - |
| 3Q16 | 6,724 | - |
| 2Q16 | 5,975 | - |
| 1Q16 | 5,346 | - |