| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 3Q22 | -1,252 | -0.2% |
| 2Q22 | -2,602 | +56.4% |
| 1Q22 | -1,812 | +49.9% |
| 3Q21 | -1,255 | -5.0% |
| 2Q21 | -1,663 | -25.3% |
| 1Q21 | -1,210 | +21.9% |
| 3Q20 | -1,320 | +12.0% |
| 2Q20 | -2,226 | +54.2% |
| 1Q20 | -993 | -6.7% |
| 4Q19 | -2,303 | +52.1% |
| 3Q19 | -1,179 | -29.2% |
| 2Q19 | -1,444 | -20.8% |
| 1Q19 | -1,064 | -2.0% |
| 4Q18 | -1,514 | -50.4% |
| 3Q18 | -1,666 | +9.0% |
| 2Q18 | -1,822 | -2.5% |
| 1Q18 | -1,085 | -14.3% |
| 4Q17 | -3,053 | +12.4% |
| 3Q17 | -1,528 | +47.7% |
| 2Q17 | -1,868 | +153.6% |
| 1Q17 | -1,266 | +57.5% |
| 4Q16 | -2,717 | +105.6% |
| 3Q16 | -1,034 | +108.8% |
| 2Q16 | -737 | - |
| 1Q16 | -804 | - |
| 4Q15 | -1,322 | - |
| 3Q15 | -496 | - |