| （単位：千ドル） | 研究開発費 | 前年比（％） |
|---|---|---|
| 4Q25 | 2,740 | -2.9% |
| 3Q25 | 3,304 | +19.8% |
| 2Q25 | 3,004 | +16.0% |
| 1Q25 | 3,255 | +13.9% |
| 4Q24 | 2,823 | -5.6% |
| 3Q24 | 2,759 | -16.5% |
| 2Q24 | 2,589 | -18.9% |
| 1Q24 | 2,858 | -5.9% |
| 4Q23 | 2,992 | +18.6% |
| 3Q23 | 3,305 | +20.5% |
| 2Q23 | 3,192 | +31.2% |
| 1Q23 | 3,036 | +29.8% |
| 4Q22 | 2,523 | +12.2% |
| 3Q22 | 2,743 | +22.9% |
| 2Q22 | 2,433 | +17.6% |
| 1Q22 | 2,339 | +4.9% |
| 4Q21 | 2,249 | +1.0% |
| 3Q21 | 2,232 | +8.9% |
| 2Q21 | 2,069 | -0.8% |
| 1Q21 | 2,229 | +8.1% |
| 4Q20 | 2,227 | +22.5% |
| 3Q20 | 2,049 | +17.4% |
| 2Q20 | 2,086 | +1.4% |
| 1Q20 | 2,062 | -3.1% |
| 4Q19 | 1,818 | -7.6% |
| 3Q19 | 1,746 | -9.2% |
| 2Q19 | 2,057 | +18.4% |
| 1Q19 | 2,127 | +25.9% |
| 4Q18 | 1,968 | +48.6% |
| 3Q18 | 1,922 | +20.0% |
| 2Q18 | 1,738 | +20.4% |
| 1Q18 | 1,690 | +16.1% |
| 4Q17 | 1,324 | +6.8% |
| 3Q17 | 1,602 | +70.4% |
| 2Q17 | 1,444 | +66.6% |
| 1Q17 | 1,456 | - |
| 4Q16 | 1,240 | - |
| 3Q16 | 940 | - |
| 2Q16 | 867 | - |