| （単位：千ドル） | 利益剰余金 | 前年比（％） |
|---|---|---|
| 3Q23 | 1,013 | -89.7% |
| 2Q23 | 3,740 | -55.1% |
| 1Q23 | 6,573 | -11.8% |
| 4Q22 | 9,321 | +5.3% |
| 3Q22 | 9,814 | -9.8% |
| 3Q22 | 8,331 | -18.6% |
| 2Q22 | 7,456 | -39.7% |
| 1Q22 | 8,850 | -42.6% |
| 4Q21 | 10,879 | -37.4% |
| 3Q21 | 10,240 | -44.2% |
| 2Q21 | 12,364 | -32.6% |
| 1Q21 | 15,429 | -53.2% |
| 4Q20 | 17,382 | -49.9% |
| 3Q20 | 18,359 | -49.4% |
| 2Q20 | 18,336 | -51.4% |
| 1Q20 | 32,997 | -15.3% |
| 4Q19 | 34,715 | - |
| 3Q19 | 36,277 | -19.1% |
| 2Q19 | 37,762 | -18.6% |
| 1Q19 | 38,978 | -16.4% |
| 3Q18 | 44,864 | -5.7% |
| 2Q18 | 46,370 | -2.7% |
| 1Q18 | 46,630 | -2.1% |
| 4Q17 | 47,337 | -0.2% |
| 3Q17 | 47,596 | -0.1% |
| 2Q17 | 47,663 | +0.7% |
| 1Q17 | 47,652 | +1.0% |
| 4Q16 | 47,435 | +0.6% |
| 3Q16 | 47,627 | +1.5% |
| 2Q16 | 47,310 | +2.2% |
| 1Q16 | 47,165 | +2.4% |
| 4Q15 | 47,141 | +3.3% |
| 3Q15 | 46,930 | +4.2% |
| 2Q15 | 46,293 | +3.1% |
| 1Q15 | 46,059 | +0.5% |
| 4Q14 | 45,643 | -0.0% |
| 3Q14 | 45,024 | -0.6% |
| 2Q14 | 44,921 | -0.3% |
| 1Q14 | 45,816 | +2.3% |
| 4Q13 | 45,650 | +3.8% |
| 3Q13 | 45,309 | +4.0% |
| 2Q13 | 45,074 | +4.6% |
| 1Q13 | 44,778 | +3.7% |
| 4Q12 | 43,980 | +2.9% |
| 3Q12 | 43,559 | +3.7% |
| 2Q12 | 43,100 | - |
| 1Q12 | 43,176 | - |
| 4Q11 | 42,730 | - |
| 3Q11 | 42,000 | - |