| （単位：千ドル） | 利益剰余金 | 前年比（％） |
|---|---|---|
| 2024/9 | 29,848 | -4.7% |
| 2023/9 | 31,311 | +17.0% |
| 2022/9 | 26,769 | +6.3% |
| 2021/9 | 25,191 | +2.9% |
| 2020/9 | 24,492 | -10.1% |
| 2019/9 | 27,246 | -9.0% |
| 2018/9 | 29,926 | +71.9% |
| 2017/9 | 17,407 | +4.7% |
| 2016/9 | 16,623 | +6.0% |
| 2015/9 | 15,689 | -10.4% |
| 2014/9 | 17,517 | -1.2% |
| 2013/9 | 17,728 | -5.4% |
| 2012/9 | 18,744 | +45.5% |
| 2011/9 | 12,885 | - |