| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 4Q21 | 143,430 | +11.1% |
| 3Q21 | 137,464 | +8.8% |
| 2Q21 | 128,282 | +1.5% |
| 1Q21 | 127,068 | -5.4% |
| 4Q20 | 129,145 | -6.9% |
| 3Q20 | 126,350 | -11.0% |
| 2Q20 | 126,442 | -2.8% |
| 1Q20 | 134,282 | -5.5% |
| 4Q19 | 138,666 | +6.9% |
| 3Q19 | 142,020 | +10.6% |
| 2Q19 | 130,109 | +3.3% |
| 1Q19 | 142,136 | +10.4% |
| 4Q18 | 129,759 | +1.2% |
| 3Q18 | 128,365 | -0.4% |
| 2Q18 | 125,897 | +1.8% |
| 1Q18 | 128,778 | +3.0% |
| 4Q17 | 128,163 | +2.9% |
| 3Q17 | 128,899 | +6.2% |
| 2Q17 | 123,720 | +2.1% |
| 1Q17 | 125,031 | +2.3% |
| 4Q16 | 124,602 | +30.8% |
| 3Q16 | 121,406 | -1.8% |
| 2Q16 | 121,159 | +3.2% |
| 1Q16 | 122,211 | +2.5% |
| 4Q15 | 95,241 | -17.1% |
| 3Q15 | 123,592 | +9.2% |
| 2Q15 | 117,410 | +2.1% |
| 1Q15 | 119,258 | +3.5% |
| 4Q14 | 114,834 | +7.0% |
| 3Q14 | 113,196 | +0.7% |
| 2Q14 | 115,039 | +13.4% |
| 1Q14 | 115,269 | +12.9% |
| 4Q13 | 107,354 | +8.5% |
| 3Q13 | 112,458 | +17.6% |
| 2Q13 | 101,490 | +5.4% |
| 1Q13 | 102,082 | +8.4% |
| 4Q12 | 98,944 | +4.1% |
| 3Q12 | 95,609 | -1.4% |
| 2Q12 | 96,265 | - |
| 1Q12 | 94,159 | +13.5% |
| 4Q11 | 95,084 | +12.1% |
| 3Q11 | 96,980 | +11.9% |
| 1Q11 | 82,984 | - |
| 4Q10 | 84,853 | - |
| 3Q10 | 86,668 | - |
| 2Q10 | 78,657 | - |