| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 21,000 | -8.7% |
| 2023/12 | 23,000 | - |
| 2021/12 | 82,000 | -71.7% |
| 2020/12 | 290,000 | +22.4% |
| 2019/12 | 237,000 | +393.8% |
| 2018/12 | 48,000 | -22.6% |
| 2017/12 | 62,000 | +10.7% |
| 2016/12 | 56,000 | +194.7% |
| 2015/12 | 19,000 | -74.0% |
| 2014/12 | 73,000 | -6.4% |
| 2013/12 | 78,000 | -9.3% |
| 2012/12 | 86,000 | -8.5% |
| 2011/12 | 94,000 | -16.8% |
| 2010/12 | 113,000 | - |