| （単位：千ドル） | 利益剰余金 | 前年比（％） |
|---|---|---|
| 4Q24 | 265,200 | +10.5% |
| 4Q23 | 240,100 | +0.5% |
| 4Q22 | 238,800 | -7.9% |
| 4Q21 | 259,400 | -10.7% |
| 4Q20 | 290,500 | -2.6% |
| 4Q19 | 298,200 | +12.1% |
| 4Q18 | 265,900 | +23.0% |
| 4Q17 | 216,100 | +11.6% |
| 4Q16 | 193,600 | +15.0% |
| 3Q16 | 189,100 | +19.5% |
| 2Q16 | 176,900 | +20.7% |
| 1Q16 | 169,500 | +24.9% |
| 4Q15 | 168,300 | +33.0% |
| 3Q15 | 158,200 | +34.8% |
| 2Q15 | 146,600 | +37.7% |
| 1Q15 | 135,700 | +41.8% |
| 4Q14 | 126,500 | +47.8% |
| 3Q14 | 117,400 | +53.1% |
| 2Q14 | 106,500 | +65.1% |
| 1Q14 | 95,700 | +82.3% |
| 4Q13 | 85,600 | +102.9% |
| 3Q13 | 76,700 | +122.2% |
| 2Q13 | 64,500 | +171.1% |
| 1Q13 | 52,500 | +171.3% |
| 4Q12 | 42,178 | +305.9% |
| 3Q12 | 34,519 | -503.7% |
| 2Q12 | 23,791 | -308.3% |
| 1Q12 | 19,348 | - |
| 4Q11 | 10,392 | - |
| 3Q11 | -8,551 | - |
| 2Q11 | -11,421 | - |