| （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 | 16,911 | 17,460 | 18,097 | 20,170 | 22,723 | 26,744 | 30,260 | 32,781 | 36,371 | 35,754 | 39,262 | 43,648 | 46,216 | 49,859 |
| 売上原価 | - | - | - | 15,076 | 16,957 | 20,057 | 22,738 | 24,406 | 27,173 | 27,290 | 30,323 | 33,159 | 35,263 | 38,264 |
| 売上総利益 | - | - | - | 5,094 | 5,766 | 6,686 | 7,523 | 8,375 | 9,198 | 8,464 | 8,939 | 10,489 | 10,953 | 11,594 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 3,468 | 3,601 | 3,829 | 4,284 | 4,788 | 5,183 | 4,824 | 5,063 | 5,839 | 5,970 | 6,435 |
| 営業利益 | - | - | - | 1,626 | 2,166 | 2,858 | 3,239 | 3,587 | 4,015 | 3,641 | 3,876 | 4,649 | 4,982 | 5,160 |
| 経常（税引前）利益 | 891 | 1,223 | 1,089 | 1,617 | 2,224 | 2,949 | 3,276 | 3,606 | 4,098 | 4,596 | 4,575 | 4,561 | 5,053 | 5,313 |
| 法人税等合計 | - | - | - | 613 | 787 | 888 | 978 | 1,155 | 1,385 | 1,527 | 1,416 | 1,328 | 1,569 | 1,660 |
| 純利益 | 691 | 603 | 651 | 1,260 | 1,446 | 1,991 | 2,370 | 2,669 | 2,912 | 3,059 | 3,101 | 3,417 | 3,696 | 3,689 |
| 一株あたり利益 | 62.24 | 55.26 | 60.63 | 119.81 | 141.59 | 194.55 | 115.81 | 136.48 | 138.93 | 149.13 | 151 | 169.47 | 185.16 | 185.03 |
| 一株あたり配当金 | 31 | 28 | 45 | 60 | 71 | 98 | 116 | 80 | 73 | 75 | 76 | 85 | 103 | 93 |