| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 4Q23 | 0 | -100.0% |
| 3Q23 | 0 | -100.0% |
| 2Q23 | 708 | -98.3% |
| 1Q23 | 209,640 | +540.9% |
| 4Q22 | 30,000 | -42.2% |
| 3Q22 | 19,529 | +57.9% |
| 2Q22 | 42,762 | +517.9% |
| 1Q22 | 32,709 | +2481.6% |
| 4Q21 | 51,944 | - |
| 3Q21 | 12,367 | - |
| 2Q21 | 6,921 | - |
| 1Q21 | 1,267 | - |
| 4Q18 | 0 | -100.0% |
| 3Q18 | 9,609 | -89.0% |
| 2Q18 | 6,704 | -67.9% |
| 1Q18 | 141,736 | +984.0% |
| 4Q17 | 87,881 | +577.4% |
| 3Q17 | 87,737 | +572.2% |
| 2Q17 | 20,893 | -31.1% |
| 1Q17 | 13,075 | -80.2% |
| 4Q16 | 12,974 | -67.3% |
| 3Q16 | 13,052 | -53.5% |
| 2Q16 | 30,322 | +11.0% |
| 1Q16 | 66,033 | +166.6% |
| 4Q15 | 39,627 | +70.5% |
| 3Q15 | 28,083 | -9.0% |
| 2Q15 | 27,318 | -10.4% |
| 1Q15 | 24,765 | -24.5% |
| 4Q14 | 23,248 | -53.0% |
| 3Q14 | 30,848 | +198.6% |
| 2Q14 | 30,504 | +14.3% |
| 1Q14 | 32,800 | +2.1% |
| 4Q13 | 49,432 | +17.8% |
| 3Q13 | 10,331 | -59.4% |
| 2Q13 | 26,684 | +7.1% |
| 1Q13 | 32,122 | +132.4% |
| 4Q12 | 41,949 | +166.4% |
| 3Q12 | 25,418 | +8.5% |
| 2Q12 | 24,908 | +13.0% |
| 1Q12 | 13,820 | +235.5% |
| 4Q11 | 15,744 | +323.1% |
| 3Q11 | 23,417 | +24.6% |
| 2Q11 | 22,043 | +15.1% |
| 1Q11 | 4,119 | -21.8% |
| 4Q10 | 3,721 | - |
| 3Q10 | 18,798 | - |
| 2Q10 | 19,148 | - |
| 1Q10 | 5,269 | - |