| （単位：千ドル） | 利益剰余金 | 前年比（％） |
|---|---|---|
| 4Q23 | 158,934 | +12.2% |
| 3Q23 | 154,696 | +15.9% |
| 2Q23 | 148,036 | +16.0% |
| 1Q23 | 142,523 | +18.9% |
| 4Q22 | 141,657 | +28.2% |
| 3Q22 | 133,497 | +34.4% |
| 2Q22 | 127,630 | +45.8% |
| 1Q22 | 119,842 | +56.0% |
| 4Q21 | 110,489 | +65.2% |
| 3Q21 | 99,341 | +70.4% |
| 2Q21 | 87,560 | +68.7% |
| 1Q21 | 76,816 | +64.7% |
| 4Q20 | 66,879 | +44.7% |
| 3Q20 | 58,296 | +39.8% |
| 2Q20 | 51,906 | +43.5% |
| 1Q20 | 46,648 | +48.9% |
| 4Q19 | 46,218 | +69.3% |
| 3Q19 | 41,710 | +45.1% |
| 2Q19 | 36,165 | +44.2% |
| 1Q19 | 31,338 | +41.9% |
| 4Q18 | 27,303 | +44.5% |
| 3Q18 | 28,741 | +55.0% |
| 2Q18 | 25,086 | +77.6% |
| 1Q18 | 22,087 | +26.5% |
| 4Q17 | 18,892 | +10.3% |
| 3Q17 | 18,541 | +30.5% |
| 2Q17 | 14,122 | - |
| 1Q17 | 17,464 | - |
| 4Q16 | 17,132 | - |
| 3Q16 | 14,205 | - |