| （単位：千ドル） | 研究開発費 | 前年比（％） |
|---|---|---|
| 4Q25 | 13,328 | -7.7% |
| 3Q25 | 12,978 | -9.9% |
| 2Q25 | 12,722 | -11.4% |
| 1Q25 | 14,035 | +1.2% |
| 4Q24 | 14,434 | +3.6% |
| 3Q24 | 14,404 | +2.8% |
| 2Q24 | 14,362 | +8.1% |
| 1Q24 | 13,863 | -8.0% |
| 4Q23 | 13,926 | +0.1% |
| 3Q23 | 14,016 | +4.5% |
| 2Q23 | 13,281 | +21.4% |
| 1Q23 | 15,074 | +29.1% |
| 4Q22 | 13,911 | +36.1% |
| 3Q22 | 13,409 | +41.2% |
| 2Q22 | 10,941 | +37.4% |
| 1Q22 | 11,678 | +56.4% |
| 4Q21 | 10,223 | +40.3% |
| 3Q21 | 9,498 | +25.6% |
| 2Q21 | 7,965 | +9.0% |
| 1Q21 | 7,467 | -34.6% |
| 4Q20 | 7,285 | -43.6% |
| 3Q20 | 7,565 | -37.0% |
| 2Q20 | 7,305 | -38.7% |
| 1Q20 | 11,409 | -15.6% |
| 4Q19 | 12,915 | -3.9% |
| 3Q19 | 12,004 | -17.0% |
| 2Q19 | 11,920 | -4.2% |
| 1Q19 | 13,520 | -14.5% |
| 4Q18 | 13,444 | -10.4% |
| 3Q18 | 14,458 | +11.6% |
| 2Q18 | 12,439 | +9.7% |
| 1Q18 | 15,806 | +34.4% |
| 4Q17 | 15,009 | +71.3% |
| 3Q17 | 12,960 | +52.9% |
| 2Q17 | 11,343 | +38.7% |
| 1Q17 | 11,757 | +44.0% |
| 4Q16 | 8,764 | - |
| 3Q16 | 8,476 | - |
| 2Q16 | 8,180 | - |
| 1Q16 | 8,162 | - |