| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 1Q25 | 5,859 | -52.2% |
| 3Q24 | 4,269 | -75.2% |
| 2Q24 | 9,974 | -64.6% |
| 1Q24 | 12,250 | -57.8% |
| 3Q23 | 17,230 | -49.0% |
| 2Q23 | 28,213 | -31.1% |
| 1Q23 | 29,010 | -19.1% |
| 3Q22 | 33,766 | +18.5% |
| 2Q22 | 40,937 | +43.5% |
| 1Q22 | 35,858 | +49.4% |
| 3Q21 | 28,496 | +16.8% |
| 2Q21 | 28,518 | +12.9% |
| 1Q21 | 23,998 | +33.1% |
| 4Q20 | 25,558 | +36.0% |
| 3Q20 | 24,400 | +21.8% |
| 2Q20 | 25,256 | +26.6% |
| 1Q20 | 18,032 | +1.7% |
| 4Q19 | 18,787 | -3.8% |
| 3Q19 | 20,034 | +5.5% |
| 2Q19 | 19,944 | +9.4% |
| 1Q19 | 17,733 | +30.4% |
| 4Q18 | 19,538 | +36.3% |
| 3Q18 | 18,993 | +45.9% |
| 2Q18 | 18,223 | +17.0% |
| 1Q18 | 13,594 | -2.5% |
| 4Q17 | 14,333 | -1.4% |
| 3Q17 | 13,022 | -12.4% |
| 2Q17 | 15,569 | +5.4% |
| 1Q17 | 13,938 | -1.3% |
| 4Q16 | 14,533 | -4.6% |
| 3Q16 | 14,869 | +3.6% |
| 2Q16 | 14,776 | +4.3% |
| 1Q16 | 14,125 | -18.4% |
| 4Q15 | 15,237 | -7.0% |
| 3Q15 | 14,354 | +10.1% |
| 2Q15 | 14,161 | +9.5% |
| 1Q15 | 17,311 | +100.4% |
| 4Q14 | 16,392 | +29.2% |
| 3Q14 | 13,042 | -4.5% |
| 2Q14 | 12,932 | -1.4% |
| 1Q14 | 8,640 | -31.1% |
| 4Q13 | 12,683 | -4.0% |
| 3Q13 | 13,653 | +38.8% |
| 2Q13 | 13,121 | -1.2% |
| 1Q13 | 12,538 | +31.7% |
| 4Q12 | 13,211 | - |
| 3Q12 | 9,840 | -11.4% |
| 2Q12 | 13,283 | +16.9% |
| 1Q12 | 9,519 | - |
| 3Q11 | 11,111 | - |
| 2Q11 | 11,359 | - |