| （単位：千ドル） | 研究開発費 | 前年比（％） |
|---|---|---|
| 4Q25 | 356,000 | -4.8% |
| 3Q25 | 346,000 | 0.0% |
| 2Q25 | 352,000 | +3.8% |
| 1Q25 | 342,000 | +3.3% |
| 4Q24 | 374,000 | +14.4% |
| 3Q24 | 346,000 | +8.5% |
| 2Q24 | 339,000 | -1.7% |
| 1Q24 | 331,000 | -4.3% |
| 4Q23 | 327,000 | -16.4% |
| 3Q23 | 319,000 | -9.1% |
| 2Q23 | 345,000 | -5.5% |
| 1Q23 | 346,000 | -4.9% |
| 4Q22 | 391,000 | -0.3% |
| 3Q22 | 351,000 | 0.0% |
| 2Q22 | 365,000 | +6.4% |
| 1Q22 | 364,000 | +13.8% |
| 4Q21 | 392,000 | +4.3% |
| 3Q21 | 351,000 | +18.6% |
| 2Q21 | 343,000 | +29.9% |
| 1Q21 | 320,000 | +30.6% |
| 4Q20 | 376,000 | +43.5% |
| 3Q20 | 296,000 | +19.8% |
| 2Q20 | 264,000 | +7.3% |
| 1Q20 | 245,000 | -1.2% |
| 4Q19 | 262,000 | +4.4% |
| 3Q19 | 247,000 | +2.9% |
| 2Q19 | 246,000 | +1.7% |
| 1Q19 | 248,000 | +6.0% |
| 4Q18 | 251,000 | +7.8% |
| 3Q18 | 240,000 | +10.0% |
| 2Q18 | 242,000 | +9.2% |
| 1Q18 | 234,000 | +8.6% |
| 4Q17 | 232,900 | +9.5% |
| 3Q17 | 218,100 | +19.0% |
| 2Q17 | 221,600 | +21.5% |
| 1Q17 | 215,400 | +22.0% |
| 4Q16 | 212,600 | +17.9% |
| 3Q16 | 183,300 | +6.8% |
| 2Q16 | 182,400 | +4.5% |
| 1Q16 | 176,500 | +6.5% |
| 4Q15 | 180,300 | -1.2% |
| 3Q15 | 171,600 | -2.1% |
| 2Q15 | 174,600 | -5.0% |
| 1Q15 | 165,800 | +10.8% |
| 4Q14 | 182,500 | +74.3% |
| 3Q14 | 175,200 | +82.7% |
| 2Q14 | 183,700 | +90.0% |
| 1Q14 | 149,700 | +52.4% |
| 4Q13 | 104,700 | +6.3% |
| 3Q13 | 95,900 | +4.2% |
| 2Q13 | 96,700 | - |
| 1Q13 | 98,200 | - |
| 4Q12 | 98,500 | - |
| 3Q12 | 92,000 | - |