| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 4Q21 | 273,166 | -11.6% |
| 3Q21 | 277,948 | +9.2% |
| 2Q21 | 297,125 | +23.1% |
| 1Q21 | 321,155 | +43.0% |
| 4Q20 | 309,113 | +18.5% |
| 3Q20 | 254,541 | +11.5% |
| 2Q20 | 241,466 | +3.4% |
| 1Q20 | 224,547 | -4.7% |
| 4Q19 | 260,908 | +14.6% |
| 3Q19 | 228,297 | -1.0% |
| 2Q19 | 233,544 | +1.5% |
| 1Q19 | 235,718 | +4.8% |
| 4Q18 | 227,671 | -8.3% |
| 3Q18 | 230,670 | +7.6% |
| 2Q18 | 230,055 | +5.8% |
| 1Q18 | 224,905 | +2.1% |
| 4Q17 | 248,403 | +9.7% |
| 3Q17 | 214,392 | +0.4% |
| 2Q17 | 217,521 | +0.1% |
| 1Q17 | 220,286 | -2.8% |
| 4Q16 | 226,441 | -3.5% |
| 3Q16 | 213,614 | -0.7% |
| 2Q16 | 217,320 | -8.0% |
| 1Q16 | 226,691 | -3.8% |
| 4Q15 | 234,603 | -4.4% |
| 3Q15 | 215,063 | -8.0% |
| 2Q15 | 236,298 | -5.3% |
| 1Q15 | 235,710 | -5.7% |
| 4Q14 | 245,333 | -9.1% |
| 3Q14 | 233,783 | -0.6% |
| 2Q14 | 249,553 | +4.8% |
| 1Q14 | 250,059 | +7.6% |
| 4Q13 | 270,003 | +5.2% |
| 3Q13 | 235,213 | +3.8% |
| 2Q13 | 238,156 | - |
| 1Q13 | 232,433 | -5.0% |
| 4Q12 | 256,550 | - |
| 3Q12 | 226,580 | - |
| 1Q12 | 244,703 | - |