| 2014/02 | 2015/02 | 2016/02 | 2017/02 | 2018/02 | 2019/02 | 2020/02 | 2021/02 | 2022/02 | 2023/02 | 2024/02 | 2025/02 | |
| 現金同等物 | - | 258 | 161 | 189 | 169 | 159 | 311 | 491 | 727 | 472 | 960 | 770 |
| 有価証券 | - | 12 | 20 | 1 | 1 | 2 | 2 | 0 | 0 | 0 | 3 | 23 |
| 現金 + 有価証券 | - | 270 | 181 | 190 | 170 | 160 | 313 | 491 | 727 | 472 | 963 | 792 |
| 流動資産合計 | - | 438 | 349 | 355 | 369 | 319 | 421 | 625 | 871 | 618 | 1,089 | 916 |
| 有形固定資産 | - | 5,805 | 5,698 | 5,540 | 5,599 | 5,480 | 5,308 | 5,103 | 4,941 | 5,066 | 4,947 | 4,899 |
| 投資有価証券 | - | 287 | 262 | 248 | 263 | 226 | 197 | 209 | 83 | 135 | 235 | 144 |
| 固定資産合計 | - | 6,838 | 6,670 | 6,469 | 6,538 | 6,394 | 6,331 | 6,217 | 5,924 | 6,093 | 6,027 | 6,009 |
| 総資産 | - | 7,276 | 7,019 | 6,824 | 6,907 | 6,714 | 6,752 | 6,841 | 6,795 | 6,711 | 7,117 | 6,925 |
| 短期借入金 | - | 740 | 200 | 250 | 150 | - | - | - | - | - | - | - |
| 一年内返済予定の長期借入金 | - | 638 | 726 | 710 | 703 | 605 | 678 | 647 | 562 | 529 | 619 | 567 |
| 流動負債合計 | - | 2,032 | 1,498 | 1,522 | 1,452 | 1,231 | 1,340 | 1,389 | 1,300 | 1,198 | 1,189 | 1,099 |
| 長期借入金 | - | 1,117 | 1,351 | 1,138 | 1,195 | 1,045 | 947 | 990 | 886 | 834 | 1,187 | 1,094 |
| 固定負債合計 | - | 1,943 | 2,158 | 1,984 | 2,066 | 1,955 | 1,887 | 2,075 | 2,044 | 1,909 | 2,289 | 2,255 |
| 総負債 | - | 3,975 | 3,656 | 3,506 | 3,518 | 3,186 | 3,227 | 3,464 | 3,344 | 3,107 | 3,478 | 3,355 |
| 資本金及び資本剰余金 | - | 1,962 | 1,962 | 1,962 | 1,962 | 1,962 | 1,962 | 1,962 | 1,962 | 1,962 | 1,962 | 1,962 |
| 利益剰余金 | - | 1,805 | 1,886 | 1,841 | 1,934 | 2,086 | 2,093 | 1,955 | 2,016 | 2,155 | 2,115 | 2,098 |
| 株主資本 | 3,308 | 3,301 | 3,363 | 3,318 | 3,389 | 3,528 | 3,525 | 3,377 | 3,451 | 3,604 | 3,639 | 3,571 |
| 有利子負債合計 | - | 2,496 | 2,277 | 2,098 | 2,048 | 1,649 | 1,625 | 1,638 | 1,448 | 1,363 | 1,805 | 1,661 |
| 純有利子負債 | - | 2,225 | 2,096 | 1,908 | 1,878 | 1,489 | 1,312 | 1,146 | 721 | 891 | 842 | 869 |
| DEレシオ（％） | - | 75.6 | 67.7 | 63.2 | 60.4 | 46.8 | 46.1 | 48.5 | 42 | 37.8 | 49.6 | 46.5 |