| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 1Q25 | 4,403 | -61.8% |
| 4Q24 | 7,747 | -32.5% |
| 3Q24 | 12,800 | -6.9% |
| 2Q24 | 12,516 | -2.1% |
| 1Q24 | 11,525 | +2.4% |
| 4Q23 | 11,477 | -15.8% |
| 3Q23 | 13,743 | -2.1% |
| 2Q23 | 12,790 | -9.8% |
| 1Q23 | 11,252 | -16.1% |
| 4Q22 | 13,623 | +817.4% |
| 3Q22 | 14,035 | +210.0% |
| 2Q22 | 14,181 | -379.3% |
| 1Q22 | 13,409 | +74.0% |
| 4Q21 | 12,001 | - |
| 3Q21 | 11,405 | - |
| 2Q21 | 14,217 | - |
| 1Q21 | 8,853 | - |
| 4Q21 | 1,485 | - |
| 3Q21 | 4,527 | - |
| 2Q21 | -5,078 | - |
| 1Q21 | 7,708 | - |
| 4Q19 | 3,593 | +28.5% |
| 3Q19 | 9,396 | +23.2% |
| 2Q19 | 9,759 | -30.5% |
| 1Q19 | 8,590 | +3.2% |
| 4Q18 | 2,797 | -67.2% |
| 3Q18 | 7,628 | -3.1% |
| 2Q18 | 14,038 | +117.2% |
| 1Q18 | 8,320 | +4.5% |
| 4Q17 | 8,520 | +35.3% |
| 3Q17 | 7,874 | +59.3% |
| 2Q17 | 6,464 | +6.9% |
| 1Q17 | 7,964 | +71.8% |
| 4Q16 | 9,668 | +131.2% |
| 3Q16 | 9,007 | +78.0% |
| 2Q16 | 8,638 | +71.9% |
| 1Q16 | 7,240 | -531.0% |
| 4Q16 | 6,298 | +50.6% |
| 3Q16 | 4,943 | -2.3% |
| 2Q16 | 6,049 | +20.4% |
| 1Q16 | 4,635 | -375.9% |
| 4Q15 | 4,181 | - |
| 3Q15 | 5,059 | - |
| 2Q15 | 5,026 | - |
| 1Q15 | -1,680 | - |
| 4Q13 | 2,396 | -41.5% |
| 3Q13 | 4,717 | +3.0% |
| 2Q13 | 5,085 | +13.3% |
| 1Q13 | 3,529 | -3.6% |
| 4Q12 | 4,099 | - |
| 3Q12 | 4,581 | +1.6% |
| 2Q12 | 4,490 | -0.3% |
| 1Q12 | 3,659 | - |
| 3Q11 | 4,511 | - |
| 2Q11 | 4,503 | - |