| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 71,000 | +222.7% |
| 2023/12 | 22,000 | +100.0% |
| 2022/12 | 11,000 | +10.0% |
| 2021/12 | 10,000 | 0.0% |
| 2020/12 | 10,000 | -9.1% |
| 2019/12 | 11,000 | -82.0% |
| 2018/12 | 61,000 | +7.0% |
| 2017/12 | 57,000 | 0.0% |
| 2016/12 | 57,000 | 0.0% |
| 2015/12 | 57,000 | -17.4% |
| 2014/12 | 69,000 | -9.2% |
| 2013/12 | 76,000 | -36.1% |
| 2012/12 | 119,000 | - |
| 2011/12 | 0 | -100.0% |
| 2010/12 | 72,000 | - |