| （単位：千ドル） | 売上高 | 前年比（％） |
|---|---|---|
| 1Q21 | 69,394 | -2.8% |
| 3Q20 | 51,281 | -30.1% |
| 2Q20 | 63,773 | -10.3% |
| 1Q20 | 71,420 | -4.5% |
| 4Q19 | 77,786 | +12.0% |
| 3Q19 | 73,327 | +11.0% |
| 2Q19 | 71,062 | +11.8% |
| 1Q19 | 74,800 | +18.5% |
| 4Q18 | 69,445 | +5.1% |
| 3Q18 | 66,075 | +5.4% |
| 2Q18 | 63,569 | +6.8% |
| 1Q18 | 63,124 | +1.8% |
| 4Q17 | 66,081 | +22.1% |
| 3Q17 | 62,678 | +22.7% |
| 2Q17 | 59,504 | +15.9% |
| 1Q17 | 61,999 | +17.7% |
| 4Q16 | 54,121 | -1.2% |
| 3Q16 | 51,100 | -10.1% |
| 2Q16 | 51,333 | -3.4% |
| 1Q16 | 52,683 | +0.4% |
| 4Q15 | 54,768 | +7.1% |
| 3Q15 | 56,852 | +19.3% |
| 2Q15 | 53,161 | +7.4% |
| 1Q15 | 52,481 | +12.4% |
| 4Q14 | 51,156 | +16.0% |
| 3Q14 | 47,660 | +18.2% |
| 2Q14 | 49,511 | +7.8% |
| 1Q14 | 46,685 | -1.2% |
| 4Q13 | 44,102 | +18.7% |
| 3Q13 | 40,318 | -8.7% |
| 2Q13 | 45,936 | +8.3% |
| 1Q13 | 47,271 | +19.3% |
| 4Q12 | 37,141 | - |
| 3Q12 | 44,141 | +18.0% |
| 2Q12 | 42,426 | +9.3% |
| 1Q12 | 39,626 | - |
| 3Q11 | 37,393 | - |
| 2Q11 | 38,804 | - |