| （単位：千ドル） | 研究開発費 | 前年比（％） |
|---|---|---|
| 4Q25 | 25,425 | -24.4% |
| 3Q25 | 25,838 | -25.4% |
| 2Q25 | 27,430 | -20.7% |
| 1Q25 | 29,136 | -9.3% |
| 4Q24 | 33,609 | +5.6% |
| 3Q24 | 34,650 | +1.1% |
| 2Q24 | 34,604 | -15.3% |
| 1Q24 | 32,138 | -51.0% |
| 4Q23 | 31,816 | -63.5% |
| 3Q23 | 34,275 | -57.1% |
| 2Q23 | 40,876 | -49.7% |
| 1Q23 | 65,629 | -9.0% |
| 4Q22 | 87,191 | +25.4% |
| 3Q22 | 79,817 | +50.2% |
| 2Q22 | 81,307 | +69.3% |
| 1Q22 | 72,139 | +60.8% |
| 4Q21 | 69,515 | +78.3% |
| 3Q21 | 53,130 | +73.1% |
| 2Q21 | 48,023 | +80.1% |
| 1Q21 | 44,852 | +53.2% |
| 4Q20 | 38,982 | +54.6% |
| 3Q20 | 30,694 | +32.3% |
| 2Q20 | 26,669 | +23.3% |
| 1Q20 | 29,278 | +65.2% |
| 4Q19 | 25,209 | +78.9% |
| 3Q19 | 23,202 | +70.1% |
| 2Q19 | 21,631 | +28.6% |
| 1Q19 | 17,728 | +54.5% |
| 4Q18 | 14,095 | +42.6% |
| 3Q18 | 13,637 | +59.0% |
| 2Q18 | 16,816 | +112.1% |
| 1Q18 | 11,476 | +44.1% |
| 4Q17 | 9,887 | +58.7% |
| 3Q17 | 8,578 | +26.1% |
| 2Q17 | 7,927 | +16.9% |
| 1Q17 | 7,966 | +20.0% |
| 4Q16 | 6,230 | +14.7% |
| 3Q16 | 6,804 | +36.0% |
| 2Q16 | 6,782 | +39.6% |
| 1Q16 | 6,636 | +45.3% |
| 4Q15 | 5,433 | +40.6% |
| 3Q15 | 5,003 | +22.6% |
| 2Q15 | 4,857 | +22.4% |
| 1Q15 | 4,568 | +1.0% |
| 4Q14 | 3,865 | +27.5% |
| 3Q14 | 4,080 | +20.8% |
| 2Q14 | 3,968 | - |
| 1Q14 | 4,522 | - |
| 4Q13 | 3,031 | - |
| 3Q13 | 3,378 | - |