| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 5,010 | -81.1% |
| 2023/12 | 26,454 | +6.4% |
| 2022/12 | 24,863 | -27.3% |
| 2021/12 | 34,190 | -50.4% |
| 2020/12 | 68,981 | -12.4% |
| 2019/12 | 78,733 | -41.5% |
| 2018/12 | 134,598 | -6.7% |
| 2017/12 | 144,252 | +70.8% |
| 2016/12 | 84,457 | +161.8% |
| 2015/12 | 32,259 | +44.0% |
| 2014/12 | 22,404 | -38.5% |
| 2013/12 | 36,404 | -34.5% |
| 2012/12 | 55,586 | -6.4% |
| 2011/12 | 59,360 | - |