| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 4Q25 | 5,654 | +15.9% |
| 3Q25 | 4,761 | +42.2% |
| 2Q25 | 6,320 | +24.4% |
| 1Q25 | 5,869 | +58.0% |
| 4Q24 | 4,878 | -34.8% |
| 3Q24 | 3,349 | -48.8% |
| 2Q24 | 5,081 | +16.3% |
| 1Q24 | 3,715 | -47.2% |
| 4Q23 | 7,483 | +36.9% |
| 3Q23 | 6,545 | +10.6% |
| 2Q23 | 4,367 | -43.6% |
| 1Q23 | 7,040 | +11.6% |
| 4Q22 | 5,465 | +43.1% |
| 3Q22 | 5,920 | +15.4% |
| 2Q22 | 7,745 | +34.5% |
| 1Q22 | 6,306 | +8.4% |
| 4Q21 | 3,820 | +66.1% |
| 3Q21 | 5,131 | +146.4% |
| 2Q21 | 5,758 | +143.1% |
| 1Q21 | 5,817 | +15.9% |
| 4Q20 | 2,300 | -34.3% |
| 3Q20 | 2,082 | -51.2% |
| 2Q20 | 2,369 | -57.9% |
| 1Q20 | 5,020 | +17.0% |
| 4Q19 | 3,500 | +20.7% |
| 3Q19 | 4,266 | -5.6% |
| 2Q19 | 5,622 | -6.0% |
| 1Q19 | 4,290 | -1.9% |
| 4Q18 | 2,900 | +7.4% |
| 3Q18 | 4,520 | +34.2% |
| 2Q18 | 5,984 | +30.1% |
| 1Q18 | 4,373 | -3.3% |
| 4Q17 | 2,700 | -32.5% |
| 3Q17 | 3,368 | -24.7% |
| 2Q17 | 4,601 | +23.8% |
| 1Q17 | 4,524 | +34.9% |
| 4Q16 | 4,000 | +53.8% |
| 3Q16 | 4,473 | +30.3% |
| 2Q16 | 3,717 | -13.7% |
| 1Q16 | 3,353 | -9.4% |
| 4Q15 | 2,600 | -13.3% |
| 3Q15 | 3,434 | +0.1% |
| 2Q15 | 4,306 | +10.1% |
| 1Q15 | 3,700 | +12.5% |
| 4Q14 | 3,000 | +50.0% |
| 3Q14 | 3,432 | +15.3% |
| 2Q14 | 3,912 | +32.9% |
| 1Q14 | 3,288 | +129.3% |
| 4Q13 | 2,000 | -134.7% |
| 3Q13 | 2,977 | -31.5% |
| 2Q13 | 2,943 | -25.1% |
| 1Q13 | 1,434 | -50.7% |
| 4Q12 | -5,765 | -375.0% |
| 3Q12 | 4,345 | +193.8% |
| 2Q12 | 3,929 | +25.2% |
| 1Q12 | 2,909 | - |
| 4Q11 | 2,096 | - |
| 3Q11 | 1,479 | - |
| 2Q11 | 3,138 | - |