| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 1Q25 | 4,837 | -18.1% |
| 4Q24 | 1,956 | -301.9% |
| 2Q24 | 4,457 | -31.6% |
| 2Q24 | 5,309 | -18.5% |
| 1Q24 | 5,904 | -12.5% |
| 4Q23 | -969 | -123.5% |
| 3Q23 | 6,519 | -8.2% |
| 2Q23 | 6,518 | -45.2% |
| 1Q23 | 6,751 | -56.3% |
| 4Q22 | 4,121 | -55.7% |
| 3Q22 | 7,102 | -13.2% |
| 2Q22 | 11,900 | +62.1% |
| 1Q22 | 15,439 | +171.4% |
| 4Q21 | 9,310 | +177.0% |
| 3Q21 | 8,181 | +65.3% |
| 2Q21 | 7,342 | +441.0% |
| 1Q21 | 5,688 | -54.9% |
| 4Q20 | 3,361 | -18.9% |
| 3Q20 | 4,949 | -21.5% |
| 2Q20 | 1,357 | -69.4% |
| 1Q20 | 12,614 | +215.4% |
| 4Q19 | 4,143 | -20.9% |
| 3Q19 | 6,301 | +22.0% |
| 2Q19 | 4,430 | -18.8% |
| 1Q19 | 3,999 | -24.5% |
| 4Q18 | 5,239 | +1.7% |
| 3Q18 | 5,166 | -2.8% |
| 2Q18 | 5,453 | +5.8% |
| 1Q18 | 5,294 | +11.5% |
| 4Q17 | 5,152 | +54.9% |
| 3Q17 | 5,316 | +27.1% |
| 2Q17 | 5,154 | +47.0% |
| 1Q17 | 4,747 | +31.0% |
| 4Q16 | 3,326 | -15.7% |
| 3Q16 | 4,181 | -2.1% |
| 2Q16 | 3,505 | -23.9% |
| 1Q16 | 3,624 | -12.4% |
| 4Q15 | 3,947 | +40.6% |
| 3Q15 | 4,269 | -4.6% |
| 2Q15 | 4,603 | +8.5% |
| 1Q15 | 4,138 | +9.0% |
| 4Q14 | 2,808 | +60.7% |
| 3Q14 | 4,476 | +40.4% |
| 2Q14 | 4,243 | - |
| 1Q14 | 3,795 | - |
| 4Q13 | 1,747 | - |
| 3Q13 | 3,187 | - |