| （単位：千ドル） | 研究開発費 | 前年比（％） |
|---|---|---|
| 4Q25 | 14,464 | -9.1% |
| 3Q25 | 13,352 | +2.0% |
| 2Q25 | 12,768 | -25.9% |
| 1Q25 | 13,588 | +1.8% |
| 4Q24 | 15,907 | +18.8% |
| 3Q24 | 13,084 | -17.5% |
| 2Q24 | 17,225 | -21.5% |
| 1Q24 | 13,343 | -39.8% |
| 4Q23 | 13,389 | -36.5% |
| 3Q23 | 15,850 | -20.6% |
| 2Q23 | 21,946 | -4.3% |
| 1Q23 | 22,158 | +10.9% |
| 4Q22 | 21,072 | -20.4% |
| 3Q22 | 19,959 | -23.1% |
| 2Q22 | 22,936 | -38.4% |
| 1Q22 | 19,972 | -22.0% |
| 4Q21 | 26,470 | +14.5% |
| 3Q21 | 25,940 | +4.3% |
| 2Q21 | 37,235 | +47.9% |
| 1Q21 | 25,593 | +2.9% |
| 4Q20 | 23,126 | +16.2% |
| 3Q20 | 24,873 | +25.7% |
| 2Q20 | 25,183 | +10.6% |
| 1Q20 | 24,879 | +24.6% |
| 4Q19 | 19,904 | - |
| 3Q19 | 19,791 | - |
| 2Q19 | 22,760 | - |
| 1Q19 | 19,961 | - |