| （単位：千ドル） | 利益剰余金 | 前年比（％） |
|---|---|---|
| 2025/6 | 46,894 | +6.9% |
| 2024/6 | 43,876 | +1.2% |
| 2023/6 | 43,365 | +7.4% |
| 2022/6 | 40,362 | +13.2% |
| 2021/6 | 35,645 | +14.2% |
| 2020/6 | 31,207 | -11.7% |
| 2019/6 | 35,356 | -9.1% |
| 2018/6 | 38,885 | -0.4% |
| 2017/6 | 39,051 | +5.3% |
| 2016/6 | 37,095 | +4.6% |
| 2015/6 | 35,466 | -5.5% |
| 2014/6 | 37,544 | -4.0% |
| 2013/6 | 39,101 | +1.0% |
| 2012/6 | 38,728 | - |