| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 4Q23 | 1,479 | -89.6% |
| 3Q23 | 0 | -100.0% |
| 2Q23 | 19,448 | -31.6% |
| 1Q23 | 7,563 | -76.2% |
| 4Q22 | 14,246 | -63.6% |
| 3Q22 | 13,498 | -21.4% |
| 2Q22 | 28,419 | - |
| 1Q22 | 31,829 | - |
| 4Q21 | 39,155 | +150.2% |
| 3Q21 | 17,179 | +107.6% |
| 4Q20 | 15,649 | - |
| 3Q20 | 8,275 | - |
| 2Q20 | 7,560 | - |
| 1Q20 | 5,783 | - |
| 4Q18 | 0 | -100.0% |
| 3Q18 | 0 | -100.0% |
| 2Q18 | 0 | - |
| 1Q18 | 10,719 | +364.6% |
| 4Q17 | 72,474 | +1366.8% |
| 3Q17 | 16,417 | +55.0% |
| 2Q17 | 0 | -100.0% |
| 1Q17 | 2,307 | -96.4% |
| 4Q16 | 4,941 | +1190.1% |
| 3Q16 | 10,595 | - |
| 2Q16 | 18,363 | - |
| 1Q16 | 64,471 | - |
| 4Q15 | 383 | - |