| （単位：%） | 2011/12 | 2012/12 | 2013/12 | 2014/12 | 2015/12 | 2016/12 | 2017/12 | 2018/12 | 2019/12 | 2020/12 | 2021/12 | 2022/12 | 2023/12 | 2024/12 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 現金同等物 | - | - | - | - | - | - | - | - | 25 | 22 | 133 | 42 | 29 | 38 |
| 有価証券 | 5,422 | 5,962 | 6,010 | 6,893 | 7,091 | 7,457 | 7,724 | 7,515 | 5,792 | 6,345 | 6,239 | 5,185 | - | - |
| 現金 + 有価証券 | - | - | - | - | - | - | - | - | 5,817 | 6,368 | 6,373 | 5,228 | 29 | 38 |
| 総資産 | 7,484 | 8,168 | 8,827 | 9,769 | 10,059 | 10,577 | 11,198 | 11,032 | 12,479 | 13,472 | 14,384 | 13,447 | 14,050 | 14,488 |
| 長期借入金 | 199 | 199 | 199 | 199 | 249 | 247 | 297 | 297 | 298 | 302 | 253 | 249 | 546 | 547 |
| 総負債 | 6,397 | 6,922 | 7,727 | 8,432 | 8,795 | 9,283 | 9,697 | 9,741 | 10,911 | 11,682 | 12,577 | 12,359 | 12,875 | 13,200 |
| 資本金及び資本剰余金 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 利益剰余金 | 875 | 921 | 1,000 | 1,065 | 1,116 | 1,155 | 1,231 | 1,216 | 1,352 | 1,434 | 1,524 | 1,468 | 1,502 | 1,548 |
| 株主資本 | 1,086 | 1,245 | 1,099 | 1,336 | 1,264 | 1,293 | 1,501 | 1,290 | 1,567 | 1,790 | 1,807 | 1,088 | 1,175 | 1,287 |
| 有利子負債合計 | 199 | 199 | 199 | 199 | 249 | 247 | 297 | 297 | 298 | 302 | 253 | 249 | 546 | 547 |
| 純有利子負債 | - | - | - | - | - | - | - | - | -5,519 | -6,065 | -6,119 | -4,979 | 516 | 508 |
| DEレシオ（％） | 18.4 | 16.0 | 18.2 | 15.0 | 19.7 | 19.1 | 19.8 | 23.1 | 19.0 | 16.9 | 14.0 | 22.9 | 46.5 | 42.5 |