| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2023/12 | 8,887 | -13.7% |
| 2022/12 | 10,297 | -90.6% |
| 2021/12 | 109,578 | -1.9% |
| 2020/12 | 111,665 | -0.9% |
| 2019/12 | 112,717 | +1.7% |
| 2018/12 | 110,853 | +1.8% |
| 2017/12 | 108,858 | +2.5% |
| 2016/12 | 106,221 | +0.6% |
| 2015/12 | 105,543 | -8.5% |
| 2014/12 | 115,376 | +2.0% |
| 2013/12 | 113,099 | +3.1% |
| 2012/12 | 109,750 | +11.9% |
| 2011/12 | 98,069 | - |