| （単位：千ドル） | 利益剰余金 | 前年比（％） |
|---|---|---|
| 2Q23 | 14,981 | +22.4% |
| 1Q23 | 14,647 | +25.8% |
| 4Q22 | 14,002 | +25.9% |
| 3Q22 | 13,138 | +24.8% |
| 2Q22 | 12,242 | +25.7% |
| 1Q22 | 11,643 | +29.2% |
| 4Q21 | 11,122 | +27.9% |
| 3Q21 | 10,525 | +33.3% |
| 2Q21 | 9,739 | +36.6% |
| 1Q21 | 9,011 | +38.3% |
| 4Q20 | 8,693 | +47.9% |
| 3Q20 | 7,896 | +58.2% |
| 2Q20 | 7,131 | +61.6% |
| 1Q20 | 6,515 | +88.5% |
| 4Q19 | 5,879 | +121.8% |
| 3Q19 | 4,990 | +285.2% |
| 2Q19 | 4,413 | +393.3% |
| 1Q19 | 3,456 | - |
| 4Q18 | 2,650 | -68.7% |
| 3Q18 | 1,295 | -84.9% |
| 2Q18 | 894 | -88.6% |
| 4Q17 | 8,471 | +27.5% |
| 3Q17 | 8,558 | +42.1% |
| 2Q17 | 7,865 | +48.7% |
| 1Q17 | 7,174 | +55.2% |
| 4Q16 | 6,643 | +63.4% |
| 3Q16 | 6,024 | +73.3% |
| 2Q16 | 5,290 | -46.8% |
| 1Q16 | 4,621 | -50.1% |
| 4Q15 | 4,064 | -53.0% |
| 3Q15 | 3,477 | -56.7% |
| 2Q15 | 9,937 | +25.6% |
| 1Q15 | 9,265 | +25.5% |
| 4Q14 | 8,640 | - |
| 3Q14 | 8,028 | +21.3% |
| 2Q14 | 7,913 | +29.0% |
| 1Q14 | 7,383 | +31.3% |
| 3Q13 | 6,617 | +40.8% |
| 2Q13 | 6,132 | +42.8% |
| 1Q13 | 5,622 | +44.4% |
| 4Q12 | 5,157 | +47.7% |
| 3Q12 | 4,699 | +49.4% |
| 2Q12 | 4,294 | +59.2% |
| 1Q12 | 3,893 | - |
| 4Q11 | 3,491 | - |
| 3Q11 | 3,145 | - |
| 2Q11 | 2,697 | - |