| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2Q20 | 26,620 | -11.5% |
| 1Q20 | 28,924 | +10.9% |
| 3Q19 | 31,231 | +8.2% |
| 2Q19 | 30,082 | +4.4% |
| 1Q19 | 26,083 | -4.1% |
| 3Q18 | 28,866 | +6.8% |
| 2Q18 | 28,801 | +8.1% |
| 1Q18 | 27,204 | +2.7% |
| 3Q17 | 27,027 | -6.3% |
| 2Q17 | 26,650 | -1.8% |
| 1Q17 | 26,487 | +2.3% |
| 3Q16 | 28,852 | +8.4% |
| 2Q16 | 27,140 | +5.1% |
| 1Q16 | 25,888 | +7.5% |
| 3Q15 | 26,623 | +3.2% |
| 2Q15 | 25,812 | +6.9% |
| 1Q15 | 24,071 | -1.1% |
| 3Q14 | 25,800 | +14.8% |
| 2Q14 | 24,154 | -4.5% |
| 1Q14 | 24,339 | +3.1% |
| 3Q13 | 22,481 | -6.7% |
| 2Q13 | 25,291 | +10.4% |
| 1Q13 | 23,601 | -8.5% |
| 4Q12 | 26 | - |
| 3Q12 | 24,092 | - |
| 2Q12 | 22,899 | - |
| 1Q12 | 25,799 | - |