| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 3Q23 | -2,828 | +1.0% |
| 2Q23 | -2,085 | -23.6% |
| 1Q23 | -2,488 | -6.6% |
| 3Q22 | -2,800 | +14.1% |
| 2Q22 | -2,730 | +18.2% |
| 1Q22 | -2,665 | +19.8% |
| 3Q21 | -2,453 | +7.4% |
| 2Q21 | -2,310 | +5.2% |
| 1Q21 | -2,224 | -8.4% |
| 3Q20 | -2,283 | -16.4% |
| 2Q20 | -2,195 | -32.4% |
| 1Q20 | -2,428 | -12.6% |
| 3Q19 | -2,732 | +29.3% |
| 2Q19 | -3,248 | +15.5% |
| 1Q19 | -2,778 | -42.5% |
| 3Q18 | -2,113 | -66.5% |
| 2Q18 | -2,812 | -59.4% |
| 1Q18 | -4,832 | -27.5% |
| 3Q17 | -6,316 | +7.5% |
| 2Q17 | -6,926 | +19.7% |
| 1Q17 | -6,669 | +19.8% |
| 3Q16 | -5,878 | +0.2% |
| 2Q16 | -5,786 | +0.5% |
| 1Q16 | -5,567 | +1.0% |
| 3Q15 | -5,869 | +40.2% |
| 2Q15 | -5,760 | +21.5% |
| 1Q15 | -5,511 | +8.7% |
| 3Q14 | -4,185 | -22.6% |
| 2Q14 | -4,739 | -6.6% |
| 1Q14 | -5,071 | +77.8% |
| 3Q13 | -5,407 | +90.3% |
| 2Q13 | -5,073 | +84.1% |
| 1Q13 | -2,852 | +15.9% |
| 3Q12 | -2,841 | +28.4% |
| 2Q12 | -2,756 | +9.0% |
| 1Q12 | -2,461 | - |
| 3Q11 | -2,214 | - |
| 2Q11 | -2,528 | - |