| 2010/03 | 2011/03 | 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 | 1,589,278 | 1,303,755 | 1,336,194 | 1,416,044 | 1,497,578 | 1,567,843 | 1,664,933 | 1,567,427 | 1,519,435 | 1,664,960 | 1,698,292 | 1,456,473 | 1,482,961 | 1,933,814 | 2,005,518 | 1,944,360 |
| 売上原価 | - | - | - | 1,333,001 | 1,401,803 | 1,444,845 | 1,489,559 | 1,357,806 | 1,316,018 | 1,448,315 | 1,472,622 | 1,266,055 | 1,343,286 | 1,772,812 | 1,916,006 | 1,748,906 |
| 売上総利益 | - | - | - | 83,042 | 95,774 | 122,998 | 175,374 | 209,620 | 203,417 | 216,645 | 225,670 | 190,417 | 139,675 | 161,002 | 89,512 | 195,454 |
| 売上総利益率（％） | - | - | - | |||||||||||||
| 営業利益 | - | - | - | 13,101 | 26,054 | 50,032 | 94,668 | 128,835 | 121,373 | 129,724 | 133,894 | 100,151 | 45,145 | 54,647 | -24,685 | 71,030 |
| 営業費用 | - | - | - | 69,940 | 69,720 | 72,966 | 80,706 | 80,784 | 82,043 | 86,921 | 91,775 | 90,265 | 94,529 | 106,354 | 114,198 | 124,423 |
| 経常（税引前）利益 | 17,621 | 18,815 | 16,159 | 17,330 | 29,277 | 56,246 | 95,501 | 131,197 | 124,130 | 133,957 | 137,986 | 105,465 | 50,419 | 56,546 | -19,834 | 71,664 |
| 法人税等合計 | - | - | - | 8,583 | 15,067 | 21,550 | 33,943 | 37,953 | 43,188 | 43,113 | 42,230 | 33,515 | 17,128 | 23,854 | 12,742 | 37,971 |
| 純利益 | -6,850 | 10,848 | 1,430 | 5,901 | 14,191 | 33,397 | 59,661 | 99,144 | 85,137 | 100,105 | 99,119 | 77,327 | 47,761 | 51,489 | 20,779 | 70,385 |
| 一株あたり利益 | -8.73 | 13.83 | 1.82 | 7.52 | 18.09 | 42.56 | 75.61 | 126.11 | 108.31 | 127.04 | 128.31 | 101.17 | 64.09 | 66.29 | 23.57 | 94.8 |
| 希薄化後一株あたり利益 | - | 13.8 | 1.8 | 7.49 | 18.05 | 42.53 | 75.57 | 126.07 | 108.26 | 127.04 | 128.3 | 101.17 | - | - | - | - |
| 配当性向（%） | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ||
| 一株あたり配当金 | 7 | 7 | 7 | 7 | 7 | 8 | 16 | 26 | 26 | 36 | 38 | 30 | 23 | 21 | 20 | 38 |