| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 3Q21 | 267,783 | +1.2% |
| 2Q21 | 257,597 | -3.7% |
| 1Q21 | 257,840 | -1.4% |
| 3Q20 | 264,528 | +8.9% |
| 2Q20 | 267,358 | +12.8% |
| 1Q20 | 261,530 | +8.7% |
| 3Q19 | 242,893 | +2.5% |
| 2Q19 | 237,075 | +2.0% |
| 1Q19 | 240,528 | +1.6% |
| 3Q18 | 237,020 | +2.3% |
| 2Q18 | 232,451 | +2.5% |
| 1Q18 | 236,708 | +4.7% |
| 3Q17 | 231,700 | +5.4% |
| 2Q17 | 226,815 | +5.1% |
| 1Q17 | 226,173 | +5.6% |
| 3Q16 | 219,759 | -1.0% |
| 2Q16 | 215,717 | +0.2% |
| 1Q16 | 214,207 | +3.2% |
| 3Q15 | 221,937 | +8.1% |
| 2Q15 | 215,196 | -1.0% |
| 1Q15 | 207,558 | +62.3% |
| 3Q14 | 205,239 | +92.4% |
| 2Q14 | 217,314 | +107.5% |
| 1Q14 | 127,871 | +25.1% |
| 3Q13 | 106,689 | +12.0% |
| 2Q13 | 104,725 | +14.3% |
| 1Q13 | 102,235 | +16.3% |
| 3Q12 | 95,268 | +11.4% |
| 2Q12 | 91,593 | +8.8% |
| 1Q12 | 87,938 | +7.0% |
| 3Q11 | 85,552 | +10.7% |
| 2Q11 | 84,151 | +16.1% |
| 1Q11 | 82,218 | - |
| 3Q10 | 77,315 | - |
| 2Q10 | 72,478 | - |