| （単位：千ドル） | 研究開発費 | 前年比（％） |
|---|---|---|
| 4Q25 | 2,350 | -15.3% |
| 3Q25 | 2,141 | -25.0% |
| 2Q25 | 2,553 | -18.1% |
| 1Q25 | 2,498 | -19.9% |
| 4Q24 | 2,773 | -12.5% |
| 3Q24 | 2,855 | +24.2% |
| 2Q24 | 3,116 | +20.3% |
| 1Q24 | 3,120 | +27.4% |
| 4Q23 | 3,168 | +42.2% |
| 3Q23 | 2,298 | -20.8% |
| 2Q23 | 2,590 | -12.6% |
| 1Q23 | 2,449 | -24.5% |
| 4Q22 | 2,228 | -20.1% |
| 3Q22 | 2,901 | +7.5% |
| 2Q22 | 2,962 | +8.7% |
| 1Q22 | 3,242 | +19.8% |
| 4Q21 | 2,790 | +22.2% |
| 3Q21 | 2,698 | +20.9% |
| 2Q21 | 2,726 | +22.6% |
| 1Q21 | 2,706 | +11.9% |
| 4Q20 | 2,284 | +11.7% |
| 3Q20 | 2,231 | -7.2% |
| 2Q20 | 2,224 | +1.0% |
| 1Q20 | 2,418 | +3.4% |
| 4Q19 | 2,045 | -5.2% |
| 3Q19 | 2,403 | -2.9% |
| 2Q19 | 2,203 | -8.9% |
| 1Q19 | 2,338 | +3.1% |
| 4Q18 | 2,157 | +19.3% |
| 3Q18 | 2,474 | +18.1% |
| 2Q18 | 2,418 | +32.9% |
| 1Q18 | 2,269 | +42.1% |
| 4Q17 | 1,808 | +18.6% |
| 3Q17 | 2,094 | +46.2% |
| 2Q17 | 1,819 | +35.5% |
| 1Q17 | 1,596 | - |
| 4Q16 | 1,525 | - |
| 3Q16 | 1,432 | - |
| 2Q16 | 1,342 | - |