| （単位：千ドル） | 研究開発費 | 前年比（％） |
|---|---|---|
| 1Q22 | 3,082 | +36.1% |
| 4Q21 | 2,809 | -8.0% |
| 3Q21 | 2,239 | +31.0% |
| 2Q21 | 2,848 | +45.8% |
| 1Q21 | 2,265 | +6.5% |
| 4Q20 | 3,054 | +23.9% |
| 3Q20 | 1,709 | -52.7% |
| 2Q20 | 1,954 | -59.3% |
| 1Q20 | 2,126 | -75.1% |
| 4Q19 | 2,465 | -60.9% |
| 3Q19 | 3,616 | -72.9% |
| 2Q19 | 4,803 | -54.2% |
| 1Q19 | 8,531 | -26.7% |
| 4Q18 | 6,304 | +13.9% |
| 3Q18 | 13,330 | +111.8% |
| 2Q18 | 10,488 | +125.5% |
| 1Q18 | 11,637 | +182.9% |
| 4Q17 | 5,536 | -30.5% |
| 3Q17 | 6,293 | +46.8% |
| 2Q17 | 4,650 | -6.8% |
| 1Q17 | 4,114 | +27.2% |
| 4Q16 | 7,963 | +68.9% |
| 3Q16 | 4,287 | -0.9% |
| 2Q16 | 4,988 | +80.2% |
| 1Q16 | 3,234 | +52.6% |
| 4Q15 | 4,716 | - |
| 3Q15 | 4,328 | - |
| 2Q15 | 2,768 | - |
| 1Q15 | 2,119 | - |