| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 219,000 | -40.7% |
| 2023/12 | 369,000 | -18.4% |
| 2022/12 | 452,000 | +54.8% |
| 2021/12 | 292,000 | -5.2% |
| 2020/12 | 308,000 | +123.2% |
| 2019/12 | 138,000 | -19.8% |
| 2018/12 | 172,000 | -67.5% |
| 2017/12 | 529,000 | +82.4% |
| 2016/12 | 290,000 | -18.5% |
| 2015/12 | 356,000 | -9.6% |
| 2014/12 | 394,000 | -24.7% |
| 2013/12 | 523,000 | +51.2% |
| 2012/12 | 346,000 | -55.9% |
| 2011/12 | 785,000 | 0.0% |
| 2010/12 | 785,000 | - |