| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 4Q25 | 18,520 | -10.2% |
| 3Q25 | 24,782 | +5.7% |
| 2Q25 | 23,033 | +12.9% |
| 1Q25 | -4,172 | -11.2% |
| 4Q24 | 20,619 | +13.3% |
| 3Q24 | 23,453 | +5.2% |
| 2Q24 | 20,408 | -5.1% |
| 1Q24 | -4,699 | +245.8% |
| 4Q23 | 18,198 | +22.5% |
| 3Q23 | 22,302 | -0.2% |
| 2Q23 | 21,509 | -6.8% |
| 1Q23 | -1,359 | +3.0% |
| 4Q22 | 14,859 | +12.1% |
| 3Q22 | 22,346 | +26.1% |
| 2Q22 | 23,090 | +12.7% |
| 1Q22 | -1,320 | -82.5% |
| 4Q21 | 13,256 | +52.6% |
| 3Q21 | 17,723 | -20.5% |
| 2Q21 | 20,483 | +67.7% |
| 1Q21 | -7,539 | +6.7% |
| 4Q20 | 8,688 | -31.5% |
| 3Q20 | 22,306 | -21.6% |
| 2Q20 | 12,217 | -19.3% |
| 1Q20 | -7,064 | +22.2% |
| 4Q19 | 12,684 | -27.5% |
| 3Q19 | 28,442 | +28.9% |
| 2Q19 | 15,144 | +30.6% |
| 1Q19 | -5,782 | -59.2% |
| 4Q18 | 17,501 | +46.5% |
| 3Q18 | 22,066 | +10.7% |
| 2Q18 | 11,592 | -23.6% |
| 1Q18 | -14,170 | -17.1% |
| 4Q17 | 11,944 | +20.4% |
| 3Q17 | 19,930 | +8.9% |
| 2Q17 | 15,169 | +16.7% |
| 1Q17 | -17,102 | +39.4% |
| 4Q16 | 9,917 | -29.6% |
| 3Q16 | 18,296 | - |
| 2Q16 | 12,994 | -8.3% |
| 1Q16 | -12,266 | +41.3% |
| 4Q15 | 14,081 | +7.5% |
| 2Q15 | 14,177 | +25.7% |
| 1Q15 | -8,682 | +53.7% |
| 4Q14 | 13,097 | +92.5% |
| 3Q14 | -64,641 | -602.8% |
| 2Q14 | 11,281 | +29.3% |
| 1Q14 | -5,647 | +42.6% |
| 4Q13 | 6,803 | -19.6% |
| 3Q13 | 12,857 | +52.2% |
| 2Q13 | 8,726 | +60.6% |
| 1Q13 | -3,960 | +11.5% |
| 4Q12 | 8,459 | -435.5% |
| 3Q12 | 8,447 | +42.2% |
| 2Q12 | 5,435 | +33.2% |
| 1Q12 | -3,553 | - |
| 4Q11 | -2,521 | - |
| 3Q11 | 5,940 | - |
| 2Q11 | 4,079 | - |