| （単位：千ドル） | 研究開発費 | 前年比（％） |
|---|---|---|
| 4Q25 | 5,392 | -23.5% |
| 3Q25 | 6,687 | -8.9% |
| 2Q25 | 6,959 | -7.5% |
| 1Q25 | 7,231 | -7.5% |
| 4Q24 | 7,044 | +3.9% |
| 3Q24 | 7,338 | -4.2% |
| 2Q24 | 7,520 | -11.4% |
| 1Q24 | 7,821 | -6.4% |
| 4Q23 | 6,779 | -15.2% |
| 3Q23 | 7,658 | -4.5% |
| 2Q23 | 8,484 | -1.8% |
| 1Q23 | 8,360 | +7.1% |
| 4Q22 | 7,992 | +1.3% |
| 3Q22 | 8,017 | +8.2% |
| 2Q22 | 8,637 | +12.5% |
| 1Q22 | 7,806 | -1.7% |
| 4Q21 | 7,888 | -6.9% |
| 3Q21 | 7,411 | -3.7% |
| 2Q21 | 7,676 | +3.9% |
| 1Q21 | 7,942 | +0.6% |
| 4Q20 | 8,471 | +12.5% |
| 3Q20 | 7,696 | -3.0% |
| 2Q20 | 7,385 | +3.1% |
| 1Q20 | 7,898 | +16.3% |
| 4Q19 | 7,528 | +23.2% |
| 3Q19 | 7,930 | +41.8% |
| 2Q19 | 7,163 | +18.2% |
| 1Q19 | 6,791 | +12.2% |
| 4Q18 | 6,112 | +10.0% |
| 3Q18 | 5,593 | +3.3% |
| 2Q18 | 6,059 | +22.5% |
| 1Q18 | 6,051 | +10.1% |
| 4Q17 | 5,557 | +21.9% |
| 3Q17 | 5,415 | +9.3% |
| 2Q17 | 4,946 | -4.0% |
| 1Q17 | 5,498 | +6.0% |
| 4Q16 | 4,558 | -16.8% |
| 3Q16 | 4,955 | +19.9% |
| 2Q16 | 5,151 | +25.8% |
| 1Q16 | 5,186 | +17.0% |
| 4Q15 | 5,477 | +25.4% |
| 3Q15 | 4,134 | -1.8% |
| 2Q15 | 4,096 | -0.6% |
| 1Q15 | 4,434 | +3.7% |
| 4Q14 | 4,369 | +9.7% |
| 3Q14 | 4,210 | +0.7% |
| 2Q14 | 4,119 | +2.0% |
| 1Q14 | 4,277 | +0.8% |
| 4Q13 | 3,984 | - |
| 3Q13 | 4,182 | - |
| 2Q13 | 4,040 | - |
| 1Q13 | 4,241 | - |