| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 3Q21 | 40,684 | -11.4% |
| 2Q21 | 43,883 | +7.3% |
| 1Q21 | 42,284 | -21.5% |
| 3Q20 | 45,910 | -23.3% |
| 2Q20 | 40,897 | -29.9% |
| 1Q20 | 53,866 | -6.6% |
| 3Q19 | 59,847 | +5.3% |
| 2Q19 | 58,317 | +3.7% |
| 1Q19 | 57,698 | -3.5% |
| 3Q18 | 56,852 | -25.1% |
| 2Q18 | 56,237 | -20.6% |
| 1Q18 | 59,782 | -19.8% |
| 3Q17 | 75,927 | -4.4% |
| 2Q17 | 70,852 | -5.9% |
| 1Q17 | 74,506 | -6.3% |
| 4Q16 | 78,590 | +3.3% |
| 3Q16 | 79,425 | +1.0% |
| 2Q16 | 75,324 | +7.4% |
| 1Q16 | 79,520 | +3.6% |
| 4Q15 | 76,085 | +6.9% |
| 3Q15 | 78,648 | +9.1% |
| 2Q15 | 70,114 | -0.8% |
| 1Q15 | 76,777 | +4.5% |
| 4Q14 | 71,165 | -4.6% |
| 3Q14 | 72,111 | -6.7% |
| 2Q14 | 70,675 | +1.8% |
| 1Q14 | 73,486 | -0.2% |
| 4Q13 | 74,613 | +3.4% |
| 3Q13 | 77,272 | -8.0% |
| 2Q13 | 69,432 | +0.7% |
| 1Q13 | 73,633 | +0.5% |
| 4Q12 | 72,154 | +0.4% |
| 3Q12 | 83,980 | +21.5% |
| 2Q12 | 68,919 | +10.4% |
| 1Q12 | 73,269 | +21.5% |
| 4Q11 | 71,902 | +23.3% |
| 3Q11 | 69,097 | +16.5% |
| 2Q11 | 62,406 | +14.3% |
| 1Q11 | 60,300 | - |
| 4Q10 | 58,307 | - |
| 3Q10 | 59,320 | - |
| 2Q10 | 54,619 | - |