| （単位：千ドル） | 経常（税引前）利益 | 前年比（％） |
|---|---|---|
| 3Q23 | 1,455 | -52.2% |
| 2Q23 | 221 | -92.7% |
| 1Q23 | 1,294 | -46.7% |
| 3Q22 | 3,043 | +39.1% |
| 2Q22 | 3,038 | +33.9% |
| 1Q22 | 2,426 | +5.0% |
| 3Q21 | 2,187 | -17.3% |
| 2Q21 | 2,269 | +22.4% |
| 1Q21 | 2,310 | +66.8% |
| 3Q20 | 2,643 | +71.1% |
| 2Q20 | 1,854 | +9.7% |
| 1Q20 | 1,385 | -2.6% |
| 3Q19 | 1,544 | -12.1% |
| 2Q19 | 1,690 | -15.2% |
| 1Q19 | 1,421 | -32.1% |
| 3Q18 | 1,757 | -13.5% |
| 2Q18 | 1,993 | -11.6% |
| 1Q18 | 2,094 | +27.9% |
| 3Q17 | 2,032 | -5.8% |
| 2Q17 | 2,254 | -0.7% |
| 1Q17 | 1,637 | -14.8% |
| 3Q16 | 2,158 | -11.0% |
| 2Q16 | 2,269 | -5.8% |
| 1Q16 | 1,921 | -5.6% |
| 3Q15 | 2,423 | -2.4% |
| 2Q15 | 2,409 | -0.3% |
| 1Q15 | 2,035 | -10.3% |
| 3Q14 | 2,482 | -0.9% |
| 2Q14 | 2,417 | +20.1% |
| 1Q14 | 2,270 | +33.2% |
| 3Q13 | 2,506 | +26.4% |
| 2Q13 | 2,013 | -7.6% |
| 1Q13 | 1,704 | -16.9% |
| 3Q12 | 1,983 | +3.3% |
| 2Q12 | 2,178 | -7.2% |
| 1Q12 | 2,052 | - |
| 3Q11 | 1,919 | - |
| 2Q11 | 2,349 | - |