| （単位：千ドル） | 研究開発費 | 前年比（％） |
|---|---|---|
| 4Q18 | 244,000 | +17.9% |
| 3Q18 | 229,000 | +7.5% |
| 2Q18 | 219,000 | +25.9% |
| 1Q18 | 210,000 | +32.9% |
| 4Q17 | 207,000 | +31.0% |
| 3Q17 | 213,000 | +35.7% |
| 2Q17 | 174,000 | +12.3% |
| 1Q17 | 158,000 | -4.8% |
| 4Q16 | 158,000 | -10.7% |
| 3Q16 | 157,000 | -20.3% |
| 2Q16 | 155,000 | -6.6% |
| 1Q16 | 166,000 | -14.9% |
| 4Q15 | 177,000 | -5.3% |
| 3Q15 | 197,000 | -0.5% |
| 2Q15 | 166,000 | -7.3% |
| 1Q15 | 195,000 | +2.6% |
| 4Q14 | 187,000 | +3.3% |
| 3Q14 | 198,000 | +14.5% |
| 2Q14 | 179,000 | +1.1% |
| 1Q14 | 190,000 | +4.4% |
| 4Q13 | 181,000 | +4.0% |
| 3Q13 | 173,000 | -7.0% |
| 2Q13 | 177,000 | -5.3% |
| 1Q13 | 182,000 | +0.6% |
| 4Q12 | 174,000 | -2.8% |
| 3Q12 | 186,000 | +13.4% |
| 2Q12 | 187,000 | +19.1% |
| 1Q12 | 181,000 | +40.3% |
| 4Q11 | 179,000 | +45.5% |
| 3Q11 | 164,000 | +59.2% |
| 2Q11 | 157,000 | +63.5% |
| 1Q11 | 129,000 | +40.2% |
| 4Q10 | 123,000 | - |
| 3Q10 | 103,000 | - |
| 2Q10 | 96,000 | - |
| 1Q10 | 92,000 | - |