| （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 | 39,000 | -74.8% |
| 2Q22 | 117,000 | -14.0% |
| 1Q22 | 239,000 | +123.4% |
| 4Q21 | 157,000 | +37.7% |
| 3Q21 | 155,000 | +134.8% |
| 2Q21 | 136,000 | - |
| 1Q21 | 107,000 | -22.5% |
| 4Q20 | 114,000 | +65.2% |
| 3Q20 | 66,000 | -2.9% |
| 2Q20 | 0 | -100.0% |
| 1Q20 | 138,000 | -37.8% |
| 4Q19 | 69,000 | -29.6% |
| 3Q19 | 68,000 | -54.7% |
| 2Q19 | 84,000 | -55.1% |
| 1Q19 | 222,000 | +616.1% |
| 4Q18 | 98,000 | - |
| 3Q18 | 150,000 | - |
| 2Q18 | 187,000 | - |
| 1Q18 | 31,000 | - |
| 4Q15 | 47,000 | - |
| 3Q15 | 3,000 | - |
| 2Q15 | 242,000 | - |
| 1Q15 | 58,000 | - |
| 2Q14 | 0 | - |
| 1Q14 | 0 | -100.0% |
| 4Q13 | 0 | - |
| 3Q13 | 0 | - |
| 2Q13 | 0 | - |
| 1Q13 | 140,000 | - |