| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 1Q25 | 24,504 | +1.4% |
| 3Q24 | 23,698 | -6.2% |
| 2Q24 | 6,132 | -70.3% |
| 1Q24 | 24,174 | +34.8% |
| 3Q23 | 25,264 | +46.3% |
| 2Q23 | 20,637 | +45.8% |
| 1Q23 | 17,933 | +50.5% |
| 3Q22 | 17,272 | +24.3% |
| 2Q22 | 14,151 | -211.3% |
| 1Q22 | 11,914 | +24.1% |
| 3Q21 | 13,892 | -2.1% |
| 2Q21 | -12,714 | -42.0% |
| 1Q21 | 9,603 | -1.3% |
| 4Q20 | 11,914 | -19.6% |
| 3Q20 | 14,185 | -17.6% |
| 2Q20 | -21,910 | -233.5% |
| 1Q20 | 9,734 | -17.6% |
| 4Q19 | 14,813 | +13.2% |
| 3Q19 | 17,215 | +9.7% |
| 2Q19 | 16,416 | +18.5% |
| 1Q19 | 11,813 | +1.9% |
| 4Q18 | 13,085 | +1.5% |
| 3Q18 | 15,697 | +28.3% |
| 2Q18 | 13,855 | -7.7% |
| 1Q18 | 11,593 | -18.3% |
| 4Q17 | 12,887 | -3.0% |
| 3Q17 | 12,237 | -10.2% |
| 2Q17 | 15,005 | +26.3% |
| 1Q17 | 14,196 | +11.4% |
| 4Q16 | 13,286 | -12.1% |
| 3Q16 | 13,623 | +2.9% |
| 2Q16 | 11,879 | +3.3% |
| 1Q16 | 12,741 | +19.3% |
| 4Q15 | 15,116 | +96.6% |
| 3Q15 | 13,243 | +84.4% |
| 2Q15 | 11,496 | +7.4% |
| 1Q15 | 10,684 | -5.9% |
| 4Q14 | 7,687 | -35.9% |
| 3Q14 | 7,183 | -24.1% |
| 2Q14 | 10,703 | -15.7% |
| 1Q14 | 11,357 | +14.2% |
| 4Q13 | 12,000 | +2.0% |
| 3Q13 | 9,460 | -20.2% |
| 2Q13 | 12,701 | +5.6% |
| 1Q13 | 9,942 | -19.5% |
| 4Q12 | 11,764 | - |
| 3Q12 | 11,850 | +4.1% |
| 2Q12 | 12,032 | +65.4% |
| 1Q12 | 12,343 | - |
| 3Q11 | 11,387 | - |
| 2Q11 | 7,273 | - |