| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 4Q23 | 300,000 | -21.6% |
| 3Q23 | 300,000 | +38.1% |
| 2Q23 | 300,000 | +3.4% |
| 1Q23 | 260,724 | +24.2% |
| 4Q22 | 382,734 | +78.0% |
| 3Q22 | 217,266 | +55.2% |
| 2Q22 | 290,000 | +48.6% |
| 1Q22 | 210,000 | +3.5% |
| 4Q21 | 214,999 | +411.0% |
| 3Q21 | 140,000 | +600.0% |
| 2Q21 | 195,211 | +95.2% |
| 1Q21 | 202,871 | +153.6% |
| 4Q20 | 42,078 | -64.9% |
| 3Q20 | 20,000 | -80.0% |
| 2Q20 | 100,000 | +25.0% |
| 1Q20 | 80,000 | +174.1% |
| 4Q19 | 120,000 | +263.6% |
| 3Q19 | 100,000 | -24.2% |
| 2Q19 | 80,000 | +45.5% |
| 1Q19 | 29,185 | -83.8% |
| 4Q18 | 33,000 | -58.8% |
| 3Q18 | 132,000 | +10.0% |
| 2Q18 | 55,000 | -45.0% |
| 1Q18 | 180,000 | +125.0% |
| 4Q17 | 80,000 | -20.0% |
| 3Q17 | 120,000 | 0.0% |
| 2Q17 | 100,000 | +400.0% |
| 1Q17 | 80,000 | -50.0% |
| 4Q16 | 100,000 | +25.0% |
| 3Q16 | 120,000 | +233.3% |
| 2Q16 | 20,000 | - |
| 1Q16 | 160,000 | +11.1% |
| 4Q15 | 80,000 | +100.0% |
| 3Q15 | 36,000 | - |
| 2Q15 | 0 | -100.0% |
| 1Q15 | 144,000 | +163.0% |
| 4Q14 | 40,000 | -46.7% |
| 3Q14 | 0 | -100.0% |
| 2Q14 | 25,000 | - |
| 1Q14 | 54,747 | - |
| 4Q13 | 75,017 | - |
| 3Q13 | 35,001 | - |
| 4Q12 | 0 | -100.0% |
| 3Q12 | 0 | -100.0% |
| 2Q12 | 20,000 | -88.2% |
| 1Q12 | 20,000 | -69.2% |
| 4Q11 | 66,851 | +12.5% |
| 3Q11 | 100,000 | - |
| 2Q11 | 169,988 | - |
| 1Q11 | 64,997 | - |
| 4Q10 | 59,442 | - |