| （単位：千ドル） | 利益剰余金 | 前年比（％） |
|---|---|---|
| 1Q24 | 71,249 | +28.5% |
| 4Q23 | 68,633 | +31.6% |
| 3Q23 | 64,816 | +42.0% |
| 2Q23 | 60,532 | +51.6% |
| 1Q23 | 55,456 | +40.7% |
| 4Q22 | 52,146 | +38.1% |
| 3Q22 | 45,648 | +25.0% |
| 2Q22 | 39,926 | +21.0% |
| 1Q22 | 39,401 | +27.1% |
| 4Q21 | 37,769 | +33.1% |
| 3Q21 | 36,515 | +48.4% |
| 2Q21 | 33,000 | +50.3% |
| 1Q21 | 31,002 | +51.5% |
| 4Q20 | 28,380 | +13.4% |
| 3Q20 | 24,601 | +12.0% |
| 2Q20 | 21,957 | -23.1% |
| 1Q20 | 20,469 | -18.8% |
| 4Q19 | 25,019 | +9.6% |
| 3Q19 | 21,971 | +10.5% |
| 2Q19 | 28,563 | -5.5% |
| 1Q19 | 25,217 | -1.3% |
| 4Q18 | 22,837 | -0.1% |
| 3Q18 | 19,880 | -11.0% |
| 2Q18 | 30,233 | -10.4% |
| 1Q18 | 25,562 | -18.0% |
| 4Q17 | 22,860 | -20.9% |
| 3Q17 | 22,340 | -14.4% |
| 2Q17 | 33,737 | +4.4% |
| 1Q17 | 31,190 | +2.9% |
| 4Q16 | 28,909 | +1.3% |
| 3Q16 | 26,104 | -1.8% |
| 2Q16 | 32,310 | +6.6% |
| 1Q16 | 30,305 | +7.6% |
| 4Q15 | 28,539 | - |
| 3Q15 | 26,569 | - |
| 2Q15 | 30,317 | - |
| 1Q15 | 28,158 | - |
| 3Q13 | 21,101 | +24.5% |
| 2Q13 | 23,062 | +23.9% |
| 1Q13 | 20,973 | +28.8% |
| 3Q12 | 16,944 | +35.4% |
| 2Q12 | 18,611 | +43.3% |
| 1Q12 | 16,282 | - |
| 4Q11 | 14,558 | - |
| 3Q11 | 12,511 | - |
| 2Q11 | 12,986 | - |