| 2012/03 | 2013/03 | 2014/03 | 2015/03 | 2016/03 | 2017/03 | 2018/03 | 2019/03 | 2020/03 | 2021/03 | 2022/03 | 2023/03 | 2024/03 | 2025/03 | |
| 売上高 | 1,006,365 | 1,019,232 | 1,114,539 | 1,117,096 | 1,062,822 | 1,100,254 | 714,790 | 723,849 | 721,802 | 649,142 | 767,963 | 911,408 | 985,993 | 1,050,936 |
| 売上原価 | - | - | - | 457,584 | 417,911 | 394,875 | 425,857 | 613,834 | 610,897 | 547,626 | 656,161 | 780,513 | 843,435 | 895,929 |
| 売上総利益 | - | - | - | 17,664 | 14,546 | 16,560 | 17,650 | 110,014 | 110,904 | 101,515 | 111,801 | 130,894 | 142,557 | 155,007 |
| 売上総利益率(%) | - | - | - | |||||||||||
| 営業利益 | - | - | - | 4,140 | 973 | 2,949 | 3,142 | 30,349 | 28,352 | 23,635 | 29,347 | 38,896 | 43,870 | 42,051 |
| 営業費用 | - | - | - | 13,524 | 13,572 | 13,610 | 14,507 | 80,393 | 82,716 | 78,893 | 85,103 | 96,305 | 106,177 | 115,138 |
| 経常(税引前)利益 | 17,752 | 16,705 | 20,160 | 22,895 | 18,122 | 17,875 | 26,043 | 29,177 | 26,944 | 23,580 | 28,765 | 35,696 | 37,241 | 38,233 |
| 法人税等合計 | - | - | - | 3,009 | 1,141 | 1,432 | -808 | 8,728 | 8,710 | 7,329 | 8,206 | 10,987 | 12,655 | 11,795 |
| 純利益 | 5,424 | 5,292 | 7,221 | 10,546 | 8,959 | 8,049 | 16,317 | 16,605 | 14,399 | 13,315 | 15,986 | 18,575 | 23,218 | 27,469 |
| 一株あたり利益 | 14.6 | 22.8 | 28.09 | 27.3 | 22.32 | 19.13 | 193.79 | 198.22 | 172.43 | 159.44 | 191.42 | 222.38 | 277.9 | 328.95 |
| 希薄化後一株あたり利益 | - | - | - | - | - | - | 193.79 | 198.15 | 172.28 | 159.34 | 191.15 | 221.89 | 276.97 | 327.67 |
| 調整後一株あたり利益 | - | - | - | - | - | - | - | - | - | |||||
| 配当性向(%) | - | - | - | - | - | - | - | - | ||||||
| 一株あたり配当金 | - | - | 3 | 4 | 5 | 6 | 34 | 60 | 60 | 60 | 65 | 75 | 90 | 105 |
| 調整後一株あたり配当 | - | - | - | - | - | - | - | - |