| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2Q23 | 3,386 | +7.9% |
| 1Q23 | 3,250 | +7.8% |
| 4Q22 | 3,181 | +1.1% |
| 3Q22 | 3,067 | +0.7% |
| 2Q22 | 3,138 | +1.7% |
| 1Q22 | 3,016 | -0.5% |
| 4Q21 | 3,146 | +4.5% |
| 3Q21 | 3,047 | +3.8% |
| 2Q21 | 3,084 | +7.5% |
| 1Q21 | 3,030 | +6.1% |
| 4Q20 | 3,011 | +9.7% |
| 3Q20 | 2,934 | +13.7% |
| 2Q20 | 2,870 | +8.9% |
| 1Q20 | 2,856 | +7.4% |
| 4Q19 | 2,746 | -7.6% |
| 3Q19 | 2,581 | -8.3% |
| 2Q19 | 2,634 | -0.6% |
| 1Q19 | 2,659 | +0.7% |
| 4Q18 | 2,970 | +10.2% |
| 3Q18 | 2,816 | +13.4% |
| 2Q18 | 2,651 | +2.4% |
| 1Q18 | 2,641 | +6.9% |
| 4Q17 | 2,696 | -0.7% |
| 3Q17 | 2,484 | -3.9% |
| 2Q17 | 2,590 | +6.3% |
| 1Q17 | 2,471 | -2.0% |
| 4Q16 | 2,715 | +13.0% |
| 3Q16 | 2,584 | +8.9% |
| 2Q16 | 2,436 | +1.6% |
| 1Q16 | 2,522 | +7.9% |
| 4Q15 | 2,402 | +1.1% |
| 3Q15 | 2,372 | +5.8% |
| 2Q15 | 2,399 | +6.5% |
| 1Q15 | 2,339 | +4.4% |
| 4Q14 | 2,375 | - |
| 3Q14 | 2,241 | +3.7% |
| 2Q14 | 2,252 | +4.2% |
| 1Q14 | 2,240 | +3.4% |
| 3Q13 | 2,162 | +0.3% |
| 2Q13 | 2,161 | -1.9% |
| 1Q13 | 2,166 | +0.6% |
| 4Q12 | 2,217 | - |
| 3Q12 | 2,156 | +8.7% |
| 2Q12 | 2,204 | +7.8% |
| 1Q12 | 2,153 | - |
| 3Q11 | 1,983 | - |
| 2Q11 | 2,045 | - |