| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 3Q21 | 137,971 | +7.0% |
| 2Q21 | 93,381 | -22.0% |
| 1Q21 | 197,381 | +50.9% |
| 3Q20 | 128,937 | +3.9% |
| 2Q20 | 119,736 | -3.9% |
| 1Q20 | 130,837 | +13.1% |
| 3Q19 | 124,039 | +8.9% |
| 2Q19 | 124,560 | +7.1% |
| 1Q19 | 115,695 | +4.7% |
| 3Q18 | 113,897 | +1.1% |
| 2Q18 | 116,272 | +3.6% |
| 1Q18 | 110,547 | +1.2% |
| 3Q17 | 112,669 | +3.0% |
| 2Q17 | 112,247 | +6.0% |
| 1Q17 | 109,231 | +9.2% |
| 3Q16 | 109,412 | +32.3% |
| 2Q16 | 105,873 | +30.8% |
| 1Q16 | 99,995 | +32.8% |
| 3Q15 | 82,689 | +26.7% |
| 2Q15 | 80,966 | +92.2% |
| 1Q15 | 75,315 | +123.0% |
| 3Q14 | 65,240 | +32.6% |
| 2Q14 | 42,136 | -13.4% |
| 1Q14 | 33,774 | -28.3% |
| 3Q13 | 49,213 | +14.8% |
| 2Q13 | 48,679 | +18.8% |
| 1Q13 | 47,107 | +17.8% |
| 3Q12 | 42,874 | +24.3% |
| 2Q12 | 40,968 | +24.0% |
| 1Q12 | 39,980 | +26.7% |
| 3Q11 | 34,506 | +25.6% |
| 2Q11 | 33,047 | +17.4% |
| 1Q11 | 31,555 | - |
| 3Q10 | 27,466 | - |
| 2Q10 | 28,158 | - |