| （単位：千ドル） | 研究開発費 | 前年比（％） |
|---|---|---|
| 4Q23 | 11,614 | -37.3% |
| 3Q23 | 14,568 | -34.4% |
| 2Q23 | 19,401 | +14.2% |
| 1Q23 | 16,748 | -4.7% |
| 4Q22 | 18,521 | +1.8% |
| 3Q22 | 22,198 | +22.6% |
| 2Q22 | 16,993 | +18.8% |
| 1Q22 | 17,570 | +26.9% |
| 4Q21 | 18,186 | +45.0% |
| 3Q21 | 18,106 | +84.6% |
| 2Q21 | 14,302 | +46.6% |
| 1Q21 | 13,842 | +46.0% |
| 4Q20 | 12,545 | +5.2% |
| 3Q20 | 9,810 | -30.2% |
| 2Q20 | 9,754 | -24.6% |
| 1Q20 | 9,481 | -26.3% |
| 4Q19 | 11,928 | -0.7% |
| 3Q19 | 14,059 | +6.5% |
| 2Q19 | 12,936 | +103.0% |
| 1Q19 | 12,868 | +133.5% |
| 4Q18 | 12,011 | +54.4% |
| 3Q18 | 13,196 | +114.7% |
| 2Q18 | 6,372 | -21.6% |
| 1Q18 | 5,512 | -26.2% |
| 4Q17 | 7,779 | -17.0% |
| 3Q17 | 6,145 | -23.9% |
| 2Q17 | 8,131 | -24.2% |
| 1Q17 | 7,464 | +54.1% |
| 4Q16 | 9,377 | +4542.1% |
| 3Q16 | 8,072 | +993.8% |
| 2Q16 | 10,720 | +12.8% |
| 1Q16 | 4,845 | -57.9% |
| 4Q15 | 202 | -97.2% |
| 3Q15 | 738 | -86.1% |
| 2Q15 | 9,501 | +90.7% |
| 1Q15 | 11,518 | +120.7% |
| 4Q14 | 7,161 | - |
| 3Q14 | 5,316 | - |
| 2Q14 | 4,981 | - |
| 1Q14 | 5,218 | - |