| （単位：百万円） | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 売上高 | 166,943 | 194,161 | 220,026 | 237,049 | 260,012 | 254,498 | 266,983 | 273,302 | 323,036 | 334,980 | 340,477 | 349,940 | 375,946 | 463,724 |
| 営業費用 | - | - | - | 25,793 | 28,237 | 27,701 | 33,130 | 34,402 | 37,283 | 33,393 | 33,759 | 37,009 | 38,608 | 46,966 |
| 営業利益 | - | - | - | 30,559 | 34,439 | 36,363 | 44,757 | 46,765 | 52,410 | 49,631 | 58,784 | 64,478 | 70,508 | 79,670 |
| 経常（税引前）利益 | -10,875 | 21,741 | 21,959 | 17,317 | 24,796 | 30,635 | 39,416 | 42,036 | 44,611 | 47,072 | 46,270 | 63,531 | 69,471 | 71,722 |
| 法人税等合計 | - | - | - | 8,965 | 5,062 | 12,627 | 12,249 | 11,945 | 14,504 | 14,083 | 20,295 | 18,666 | 22,568 | 29,649 |
| 純利益 | -71,774 | 10,243 | 10,121 | 82,944 | 16,359 | 20,463 | 23,569 | 28,155 | 30,824 | 32,839 | 35,938 | 44,084 | 45,843 | 66,804 |
| 一株あたり利益 | -166.67 | 23.79 | 23.55 | 386.24 | 75.91 | 91 | 104.17 | 125.79 | 141.59 | 152.12 | 167.35 | 206.15 | 215.82 | 315.5 |
| 一株あたり配当金 | - | 5 | 5 | 6 | 16 | 26 | 30 | 35 | 41 | 46 | 51 | 65 | 73 | 95 |