| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 4Q22 | 0 | - |
| 3Q22 | 0 | - |
| 2Q22 | 20,600 | - |
| 1Q22 | 15,800 | +276.2% |
| 4Q21 | 0 | -100.0% |
| 3Q21 | 0 | - |
| 2Q21 | 0 | - |
| 1Q21 | 4,200 | -69.1% |
| 4Q20 | 8,800 | - |
| 3Q20 | 0 | - |
| 2Q20 | 0 | -100.0% |
| 1Q20 | 13,600 | - |
| 4Q19 | 0 | -100.0% |
| 3Q19 | 0 | -100.0% |
| 2Q19 | 26,900 | +767.7% |
| 1Q19 | 0 | -100.0% |
| 4Q18 | 70,000 | - |
| 3Q18 | 7,700 | -78.8% |
| 2Q18 | 3,100 | - |
| 1Q18 | 42,200 | +23.0% |
| 4Q17 | 0 | -100.0% |
| 3Q17 | 36,400 | +227.9% |
| 2Q17 | 0 | - |
| 1Q17 | 34,300 | -13.4% |
| 4Q16 | 35,500 | -7.3% |
| 3Q16 | 11,100 | -85.2% |
| 2Q16 | 0 | -100.0% |
| 1Q16 | 39,600 | +102.0% |
| 4Q15 | 38,300 | -34.2% |
| 3Q15 | 75,000 | +36.1% |
| 2Q15 | 23,200 | -66.3% |
| 1Q15 | 19,600 | -61.6% |
| 4Q14 | 58,200 | +62.1% |
| 3Q14 | 55,100 | +124.9% |
| 2Q14 | 68,900 | +36.7% |
| 1Q14 | 51,000 | +145.2% |
| 4Q13 | 35,900 | - |
| 3Q13 | 24,500 | - |
| 2Q13 | 50,400 | +247.6% |
| 1Q13 | 20,800 | +1385.7% |
| 4Q12 | 0 | -100.0% |
| 3Q12 | 0 | -100.0% |
| 2Q12 | 14,500 | +0.7% |
| 1Q12 | 1,400 | -89.7% |
| 4Q11 | 21,000 | - |
| 3Q11 | 24,600 | - |
| 2Q11 | 14,400 | - |
| 1Q11 | 13,600 | - |