| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 4Q22 | 1 | -100.0% |
| 3Q22 | -1 | -100.0% |
| 2Q22 | 17,505 | - |
| 1Q22 | 29,025 | +60368.8% |
| 4Q21 | 6,798 | -51.1% |
| 3Q21 | 13,865 | +1342.8% |
| 2Q21 | 0 | -100.0% |
| 1Q21 | 48 | -99.0% |
| 4Q20 | 13,905 | - |
| 3Q20 | 961 | -93.9% |
| 2Q20 | 1,310 | -66.1% |
| 1Q20 | 4,985 | +2669.4% |
| 4Q19 | 0 | -100.0% |
| 3Q19 | 15,817 | +8938.3% |
| 2Q19 | 3,870 | - |
| 1Q19 | 180 | - |
| 4Q18 | 12,997 | - |
| 3Q18 | 175 | - |
| 2Q18 | 0 | - |
| 1Q18 | 0 | -100.0% |
| 4Q17 | 0 | - |
| 3Q17 | 0 | -100.0% |
| 2Q17 | 0 | -100.0% |
| 1Q17 | 443 | -83.6% |
| 4Q16 | 0 | -100.0% |
| 3Q16 | -1,145 | -8907.7% |
| 2Q16 | 5 | -90.2% |
| 1Q16 | 2,697 | +43.3% |
| 4Q15 | 42 | +121.1% |
| 3Q15 | 13 | -97.5% |
| 2Q15 | 51 | -5200.0% |
| 1Q15 | 1,882 | -51.5% |
| 4Q14 | 19 | +18.8% |
| 3Q14 | 521 | - |
| 2Q14 | -1 | -100.0% |
| 1Q14 | 3,881 | +362.6% |
| 4Q13 | 16 | -99.6% |
| 3Q13 | 0 | - |
| 2Q13 | 5,044 | +37.0% |
| 1Q13 | 839 | -56.7% |
| 4Q12 | 3,804 | +200.9% |
| 3Q12 | 0 | -100.0% |
| 2Q12 | 3,682 | +45925.0% |
| 1Q12 | 1,938 | +543.9% |
| 4Q11 | 1,264 | +63100.0% |
| 3Q11 | 2,566 | +19638.5% |
| 2Q11 | 8 | - |
| 1Q11 | 301 | - |
| 4Q10 | 2 | - |
| 3Q10 | 13 | - |