| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 1Q25 | 18,556 | -23.7% |
| 4Q24 | 18,887 | -33.2% |
| 3Q24 | 30,170 | +35.6% |
| 2Q24 | 19,067 | +206.1% |
| 1Q24 | 24,313 | -26.7% |
| 4Q23 | 28,293 | +58.8% |
| 3Q23 | 22,252 | +71.0% |
| 2Q23 | 6,228 | -88.5% |
| 1Q23 | 33,185 | +134.8% |
| 4Q22 | 17,821 | +42.0% |
| 3Q22 | 13,013 | +21.2% |
| 2Q22 | 54,114 | +201.4% |
| 1Q22 | 14,132 | +4.2% |
| 4Q21 | 12,554 | -28.9% |
| 3Q21 | 10,738 | -9.8% |
| 2Q21 | 17,954 | +598.1% |
| 1Q21 | 13,561 | -78.6% |
| 4Q20 | 17,658 | +13.2% |
| 3Q20 | 11,909 | -55.1% |
| 2Q20 | 2,572 | -87.4% |
| 1Q20 | 63,491 | +228.3% |
| 4Q19 | 15,605 | -83.2% |
| 3Q19 | 26,520 | +33.7% |
| 2Q19 | 20,406 | +2.7% |
| 1Q19 | 19,342 | -2.0% |
| 4Q18 | 92,781 | +353.8% |
| 3Q18 | 19,838 | -0.8% |
| 2Q18 | 19,865 | +0.6% |
| 1Q18 | 19,728 | -6.4% |
| 4Q17 | 20,446 | +0.4% |
| 3Q17 | 20,001 | -1.7% |
| 2Q17 | 19,748 | -1.8% |
| 1Q17 | 21,068 | +7.6% |
| 4Q16 | 20,367 | +19.2% |
| 3Q16 | 20,342 | +7.2% |
| 2Q16 | 20,100 | +17.0% |
| 1Q16 | 19,586 | +12.3% |
| 4Q15 | 17,092 | -0.5% |
| 3Q15 | 18,973 | +10.8% |
| 2Q15 | 17,175 | +0.2% |
| 1Q15 | 17,436 | - |
| 4Q14 | 17,181 | - |
| 3Q14 | 17,122 | - |
| 2Q14 | 17,133 | - |