| （単位：百万ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2023/12 | 9,986 | +2.3% |
| 2022/12 | 9,757 | -4.4% |
| 2021/12 | 10,202 | -1.8% |
| 2020/12 | 10,386 | +0.5% |
| 2019/12 | 10,334 | +0.4% |
| 2018/12 | 10,296 | -10.5% |
| 2017/12 | 11,510 | +0.8% |
| 2016/12 | 11,420 | +315.0% |
| 2015/12 | 2,752 | +10.4% |
| 2014/12 | 2,492 | +6.1% |
| 2013/12 | 2,348 | +7.3% |
| 2012/12 | 2,189 | +3.4% |
| 2011/12 | 2,118 | -6.7% |
| 2010/12 | 2,271 | - |