| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 4Q22 | 0 | -100.0% |
| 3Q22 | 9,951 | +20.3% |
| 2Q22 | 0 | -100.0% |
| 1Q22 | 8,053 | +462.4% |
| 4Q21 | 8,645 | +23.5% |
| 3Q21 | 8,271 | -64.0% |
| 2Q21 | 2,865 | -28.4% |
| 1Q21 | 1,432 | +43.3% |
| 4Q20 | 7,000 | +136.4% |
| 3Q20 | 23,000 | - |
| 2Q20 | 4,000 | -73.3% |
| 1Q20 | 999 | - |
| 4Q19 | 2,961 | -94.1% |
| 3Q19 | 0 | -100.0% |
| 2Q19 | 15,000 | +326.6% |
| 1Q19 | 0 | -100.0% |
| 4Q18 | 50,477 | +909.1% |
| 3Q18 | 12,109 | -10.2% |
| 2Q18 | 3,516 | -69.8% |
| 1Q18 | 7,003 | -48.7% |
| 4Q17 | 5,002 | -75.6% |
| 3Q17 | 13,479 | - |
| 2Q17 | 11,658 | - |
| 1Q17 | 13,653 | - |
| 4Q16 | 20,506 | - |