| （単位：千ドル） | 売上高 | 前年比（％） |
|---|---|---|
| 3Q21 | 362,857 | -2.1% |
| 2Q21 | 350,978 | -5.3% |
| 1Q21 | 355,125 | -9.5% |
| 3Q20 | 370,811 | +1.1% |
| 2Q20 | 370,497 | +2.5% |
| 1Q20 | 392,367 | +10.1% |
| 3Q19 | 366,932 | +4.6% |
| 2Q19 | 361,635 | +3.7% |
| 1Q19 | 356,223 | +2.6% |
| 3Q18 | 350,917 | +1.9% |
| 2Q18 | 348,723 | +2.8% |
| 1Q18 | 347,255 | +3.5% |
| 3Q17 | 344,369 | +4.6% |
| 2Q17 | 339,062 | +5.4% |
| 1Q17 | 335,404 | +6.7% |
| 3Q16 | 329,171 | +8.1% |
| 2Q16 | 321,590 | +8.6% |
| 1Q16 | 314,202 | +11.1% |
| 3Q15 | 304,626 | +12.6% |
| 2Q15 | 296,162 | +14.1% |
| 1Q15 | 282,873 | +75.0% |
| 3Q14 | 270,479 | +73.5% |
| 2Q14 | 259,450 | +69.1% |
| 1Q14 | 161,645 | +8.2% |
| 3Q13 | 155,902 | +12.9% |
| 2Q13 | 153,404 | +15.7% |
| 1Q13 | 149,342 | +16.7% |
| 3Q12 | 138,142 | +15.1% |
| 2Q12 | 132,561 | +13.1% |
| 1Q12 | 127,918 | +12.4% |
| 3Q11 | 120,058 | +14.6% |
| 2Q11 | 117,198 | +16.5% |
| 1Q11 | 113,773 | - |
| 3Q10 | 104,781 | - |
| 2Q10 | 100,636 | - |