| 2014/03 | 2015/03 | 2016/03 | 2017/03 | 2018/03 | 2019/03 | 2020/03 | 2021/03 | 2022/03 | 2023/03 | 2024/03 | 2025/03 | |
| 現金同等物 | - | 20,153 | 23,420 | 24,554 | 27,118 | 23,088 | 24,190 | 40,984 | 34,111 | 36,123 | 32,997 | 18,500 |
| 流動資産合計 | - | 86,677 | 89,987 | 87,748 | 88,903 | 85,581 | 85,738 | 102,419 | 100,744 | 105,748 | 99,574 | 90,228 |
| 有形固定資産 | - | 113,343 | 123,487 | 123,924 | 122,973 | 123,344 | 121,301 | 119,942 | 118,557 | 119,010 | 119,210 | 120,994 |
| 投資有価証券 | - | 326 | 311 | 351 | 427 | 393 | 240 | 293 | 267 | 283 | 380 | 405 |
| 固定資産合計 | - | 125,868 | 136,651 | 136,579 | 135,604 | 136,920 | 135,298 | 133,744 | 132,331 | 132,660 | 132,672 | 134,966 |
| 総資産 | - | 212,545 | 226,638 | 224,327 | 224,507 | 222,501 | 221,037 | 236,164 | 233,075 | 238,408 | 232,246 | 225,195 |
| 短期借入金 | - | 22,630 | 22,630 | 22,630 | 22,630 | 22,465 | 20,905 | 20,245 | 19,585 | 18,925 | 18,820 | 18,355 |
| 一年内返済予定の長期借入金 | - | 1,732 | 2,308 | 3,002 | 2,724 | 1,896 | 1,496 | 1,084 | 599 | 99 | 8 | - |
| 流動負債合計 | - | 72,165 | 80,141 | 73,618 | 70,024 | 69,333 | 64,939 | 71,131 | 62,545 | 63,190 | 58,445 | 55,703 |
| 長期借入金 | - | 3,564 | 4,005 | 4,572 | 4,810 | 2,914 | 1,793 | 708 | 108 | 8 | - | - |
| 固定負債合計 | - | 13,495 | 15,549 | 16,506 | 16,980 | 14,628 | 13,773 | 12,210 | 12,767 | 13,404 | 14,439 | 15,535 |
| 総負債 | - | 85,660 | 95,690 | 90,124 | 87,004 | 83,961 | 78,713 | 83,342 | 75,312 | 76,594 | 72,885 | 71,239 |
| 資本金及び資本剰余金 | - | 7,761 | 7,761 | 7,761 | 7,761 | 7,761 | 7,761 | 7,761 | 7,761 | 7,761 | 7,761 | 7,761 |
| 利益剰余金 | - | 119,039 | 123,111 | 126,338 | 129,586 | 132,996 | 136,853 | 147,313 | 152,268 | 156,308 | 157,788 | 156,419 |
| 株主資本 | 123,912 | 126,885 | 130,948 | 134,202 | 137,503 | 138,540 | 142,324 | 152,821 | 157,763 | 161,813 | 159,361 | 153,956 |