| （単位：千ドル） | 研究開発費 | 前年比（％） |
|---|---|---|
| 4Q23 | 21,890 | -53.1% |
| 3Q23 | 22,942 | -50.2% |
| 2Q23 | 32,351 | -28.8% |
| 1Q23 | 40,857 | -4.6% |
| 4Q22 | 46,722 | +20.6% |
| 3Q22 | 46,106 | +19.1% |
| 2Q22 | 45,433 | +4.3% |
| 1Q22 | 42,806 | +5.2% |
| 4Q21 | 38,729 | -3.3% |
| 3Q21 | 38,714 | -17.6% |
| 2Q21 | 43,570 | +13.2% |
| 1Q21 | 40,699 | +5.9% |
| 4Q20 | 40,060 | -4.5% |
| 3Q20 | 46,979 | +62.3% |
| 2Q20 | 38,494 | +33.6% |
| 1Q20 | 38,439 | +30.2% |
| 4Q19 | 41,954 | - |
| 3Q19 | 28,953 | - |
| 2Q19 | 28,819 | - |
| 1Q19 | 29,527 | - |