| （単位：千ドル） | 研究開発費 | 前年比（％） |
|---|---|---|
| 1Q22 | 3,983 | +35.9% |
| 4Q21 | 1,609 | -34.9% |
| 3Q21 | 1,450 | -32.3% |
| 2Q21 | 3,462 | +38.9% |
| 1Q21 | 2,930 | +9.9% |
| 4Q20 | 2,472 | +3.1% |
| 3Q20 | 2,141 | -14.1% |
| 2Q20 | 2,493 | +1.4% |
| 1Q20 | 2,666 | -10.9% |
| 4Q19 | 2,398 | +6.6% |
| 3Q19 | 2,491 | +30.6% |
| 2Q19 | 2,459 | +9.9% |
| 1Q19 | 2,992 | +31.9% |
| 4Q18 | 2,249 | +2.5% |
| 3Q18 | 1,907 | -7.8% |
| 2Q18 | 2,237 | +2.7% |
| 1Q18 | 2,268 | +6.5% |
| 4Q17 | 2,194 | -34.1% |
| 3Q17 | 2,069 | -36.4% |
| 2Q17 | 2,179 | -49.3% |
| 1Q17 | 2,130 | -47.6% |
| 4Q16 | 3,331 | +117.6% |
| 3Q16 | 3,254 | -3.1% |
| 2Q16 | 4,301 | +162.1% |
| 1Q16 | 4,062 | - |
| 4Q15 | 1,531 | - |
| 3Q15 | 3,358 | - |
| 2Q15 | 1,641 | - |