| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 1Q25 | 9,034 | -4.5% |
| 3Q24 | 8,490 | +5.8% |
| 2Q24 | 9,584 | +29.8% |
| 1Q24 | 9,463 | +21.6% |
| 3Q23 | 8,025 | +9.6% |
| 2Q23 | 7,384 | +2.0% |
| 1Q23 | 7,785 | +5.6% |
| 3Q22 | 7,321 | +0.4% |
| 2Q22 | 7,240 | +4.4% |
| 1Q22 | 7,375 | +1.8% |
| 3Q21 | 7,291 | +9.8% |
| 2Q21 | 6,933 | +10.1% |
| 1Q21 | 7,248 | +12.8% |
| 3Q20 | 6,640 | -3.2% |
| 2Q20 | 6,297 | -4.4% |
| 1Q20 | 6,428 | +3.3% |
| 3Q19 | 6,859 | +5.5% |
| 2Q19 | 6,588 | -13.4% |
| 1Q19 | 6,224 | +1.4% |
| 3Q18 | 6,503 | +6.5% |
| 2Q18 | 7,607 | +26.8% |
| 1Q18 | 6,140 | +3.0% |
| 3Q17 | 6,107 | +20.2% |
| 2Q17 | 5,997 | +8.4% |
| 1Q17 | 5,964 | +7.6% |
| 3Q16 | 5,082 | -0.2% |
| 2Q16 | 5,533 | +20.3% |
| 1Q16 | 5,541 | +5.9% |
| 3Q15 | 5,093 | +8.4% |
| 2Q15 | 4,601 | -2.9% |
| 1Q15 | 5,234 | +7.8% |
| 3Q14 | 4,698 | +2.3% |
| 2Q14 | 4,740 | +7.7% |
| 1Q14 | 4,857 | +2.2% |
| 3Q13 | 4,593 | +9.0% |
| 2Q13 | 4,402 | +15.3% |
| 1Q13 | 4,753 | +31.7% |
| 3Q12 | 4,215 | +32.1% |
| 2Q12 | 3,819 | +14.6% |
| 1Q12 | 3,608 | - |
| 3Q11 | 3,191 | - |
| 2Q11 | 3,333 | - |