| （単位：千ドル） | 利益剰余金 | 前年比（％） |
|---|---|---|
| 3Q22 | 47,603 | +1.1% |
| 2Q22 | 47,439 | +0.9% |
| 4Q21 | 47,186 | +1.3% |
| 3Q21 | 47,106 | +1.5% |
| 2Q21 | 47,016 | +2.3% |
| 1Q21 | 46,835 | +3.1% |
| 4Q20 | 46,590 | +4.0% |
| 3Q20 | 46,420 | +4.3% |
| 2Q20 | 45,973 | +4.6% |
| 1Q20 | 45,423 | +4.7% |
| 4Q19 | 44,807 | +4.7% |
| 3Q19 | 44,511 | +4.8% |
| 2Q19 | 43,941 | +4.6% |
| 1Q19 | 43,400 | +4.0% |
| 4Q18 | 42,795 | +3.5% |
| 3Q18 | 42,465 | +3.3% |
| 2Q18 | 42,000 | +2.9% |
| 1Q18 | 41,717 | +3.0% |
| 4Q17 | 41,344 | +2.9% |
| 3Q17 | 41,127 | +2.9% |
| 2Q17 | 40,821 | +2.8% |
| 1Q17 | 40,506 | +2.3% |
| 4Q16 | 40,189 | +2.1% |
| 3Q16 | 39,960 | +2.2% |
| 2Q16 | 39,713 | +2.5% |
| 1Q16 | 39,583 | +2.7% |
| 4Q15 | 39,353 | +2.7% |
| 3Q15 | 39,113 | +2.6% |
| 2Q15 | 38,735 | +1.9% |
| 1Q15 | 38,552 | +1.8% |
| 4Q14 | 38,335 | +1.6% |
| 3Q14 | 38,138 | +1.4% |
| 2Q14 | 38,022 | +1.3% |
| 1Q14 | 37,872 | +1.5% |
| 4Q13 | 37,744 | - |
| 3Q13 | 37,595 | +2.5% |
| 2Q13 | 37,538 | +3.2% |
| 1Q13 | 37,296 | +2.9% |
| 3Q12 | 36,669 | - |
| 2Q12 | 36,369 | - |
| 1Q12 | 36,248 | - |