| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 36,194 | -7.7% |
| 2023/12 | 39,206 | -72.9% |
| 2022/12 | 144,782 | -39.0% |
| 2021/12 | 237,299 | -25.9% |
| 2020/12 | 320,029 | +3.3% |
| 2019/12 | 309,903 | -27.0% |
| 2018/12 | 424,403 | -54.3% |
| 2017/12 | 928,506 | +547.8% |
| 2016/12 | 143,325 | -0.8% |
| 2015/12 | 144,548 | +13.3% |
| 2014/12 | 127,601 | +232.6% |
| 2013/12 | 38,360 | -41.1% |
| 2012/12 | 65,151 | +116.9% |
| 2011/12 | 30,034 | - |