| （単位：千ドル） | 研究開発費 | 前年比（％） |
|---|---|---|
| 4Q25 | 27,667 | -16.9% |
| 3Q25 | 30,544 | -15.5% |
| 2Q25 | 32,788 | -14.6% |
| 1Q25 | 34,618 | -2.3% |
| 4Q24 | 33,302 | -15.4% |
| 3Q24 | 36,134 | +1.6% |
| 2Q24 | 38,371 | +21.9% |
| 1Q24 | 35,425 | +9.5% |
| 4Q23 | 39,381 | +27.3% |
| 3Q23 | 35,553 | +13.4% |
| 2Q23 | 31,477 | -29.0% |
| 1Q23 | 32,339 | -23.1% |
| 4Q22 | 30,932 | -29.7% |
| 3Q22 | 31,359 | -31.5% |
| 2Q22 | 44,309 | +30.4% |
| 1Q22 | 42,062 | +13.5% |
| 4Q21 | 44,003 | +18.3% |
| 3Q21 | 45,808 | +23.7% |
| 2Q21 | 33,981 | -20.2% |
| 1Q21 | 37,050 | +9.0% |
| 4Q20 | 37,185 | - |
| 3Q20 | 37,037 | +41.0% |
| 2Q20 | 42,594 | +60.6% |
| 1Q20 | 33,997 | -10.5% |
| 3Q19 | 26,270 | -27.9% |
| 2Q19 | 26,517 | -40.7% |
| 1Q19 | 37,974 | -8.1% |
| 4Q18 | 38,890 | +11.6% |
| 3Q18 | 36,427 | +44.3% |
| 2Q18 | 44,734 | +93.5% |
| 1Q18 | 41,321 | +71.6% |
| 4Q17 | 34,833 | +68.5% |
| 3Q17 | 25,237 | +26.9% |
| 2Q17 | 23,120 | -5.9% |
| 1Q17 | 24,083 | +10.5% |
| 4Q16 | 20,671 | -14.1% |
| 3Q16 | 19,893 | -23.3% |
| 2Q16 | 24,579 | -9.0% |
| 1Q16 | 21,795 | +5.0% |
| 4Q15 | 24,064 | +20.1% |
| 3Q15 | 25,923 | +62.5% |
| 2Q15 | 27,006 | +105.2% |
| 1Q15 | 20,751 | +89.0% |
| 4Q14 | 20,038 | - |
| 3Q14 | 15,951 | - |
| 2Q14 | 13,159 | - |
| 1Q14 | 10,979 | - |