| （単位：千ドル） | 自己株式の取得による支出 | 前年比（％） |
|---|---|---|
| 4Q23 | 637 | -91.6% |
| 3Q23 | 970 | -64.4% |
| 2Q23 | 6,849 | -19.9% |
| 1Q23 | 4,709 | -56.6% |
| 4Q22 | 7,558 | +110.4% |
| 3Q22 | 2,721 | -57.5% |
| 2Q22 | 8,551 | +9960.0% |
| 1Q22 | 10,845 | +740.7% |
| 4Q21 | 3,592 | +71740.0% |
| 3Q21 | 6,403 | +91371.4% |
| 2Q21 | 85 | +183.3% |
| 1Q21 | 1,290 | -66.4% |
| 4Q20 | 5 | - |
| 3Q20 | 7 | -99.1% |
| 2Q20 | 30 | +275.0% |
| 1Q20 | 3,835 | +104.3% |
| 4Q19 | 0 | -100.0% |
| 3Q19 | 771 | -90.1% |
| 2Q19 | 8 | -99.9% |
| 1Q19 | 1,877 | -76.4% |
| 4Q18 | 947 | -85.2% |
| 3Q18 | 7,749 | +2457.4% |
| 2Q18 | 5,926 | +1690.3% |
| 1Q18 | 7,963 | +251.1% |
| 4Q17 | 6,388 | +745.0% |
| 3Q17 | 303 | +1682.4% |
| 2Q17 | 331 | -95.4% |
| 1Q17 | 2,268 | +20.3% |
| 4Q16 | 756 | +75500.0% |
| 3Q16 | 17 | -99.2% |
| 2Q16 | 7,200 | -25.1% |
| 1Q16 | 1,885 | -51.4% |
| 4Q15 | 1 | -100.0% |
| 3Q15 | 2,114 | -79.9% |
| 2Q15 | 9,614 | +491.3% |
| 1Q15 | 3,876 | +133.6% |
| 4Q14 | 5,067 | +5724.1% |
| 3Q14 | 10,520 | +1400.7% |
| 2Q14 | 1,626 | -86.9% |
| 1Q14 | 1,659 | +73.9% |
| 4Q13 | 87 | -96.6% |
| 3Q13 | 701 | -4.2% |
| 2Q13 | 12,409 | +2073.2% |
| 1Q13 | 954 | -42.3% |
| 4Q12 | 2,596 | -19.2% |
| 3Q12 | 732 | -82.3% |
| 2Q12 | 571 | - |
| 1Q12 | 1,652 | - |
| 4Q11 | 3,214 | - |
| 3Q11 | 4,134 | - |