| 收益 | 31/12/2018 | 31/12/2017 | 31/12/2016 | 31/12/2015 |
| 總收益 | 736,819,000 | 740,514,000 | 708,421,000 | 668,335,000 |
| 收益成本 | 235,586,000 | 236,977,000 | 242,728,000 | 240,033,000 |
| 毛利 | 501,233,000 | 503,537,000 | 465,693,000 | 428,302,000 |
| 營運成本 |
| 研究發展 | - | - | - | - |
| 銷售、總務及行政 | 123,898,000 | 122,573,000 | 112,452,000 | 100,151,000 |
| 非經常性 | - | - | - | - |
| 其他 | 102,145,000 | 98,457,000 | 90,027,000 | 80,787,000 |
| 營運總成本 | 614,174,000 | 607,787,000 | 583,297,000 | 557,803,000 |
| 經營收入或虧損 | 122,645,000 | 132,727,000 | 125,124,000 | 110,532,000 |
| 連續營業收益 |
| 其他收益總數/支出淨額 | 31,250,000 | 15,410,000 | 19,338,000 | 33,202,000 |
| 息前與稅前盈利 | 122,645,000 | 132,727,000 | 125,124,000 | 110,532,000 |
| 利息支出 | -142,000 | -208,000 | -235,000 | -451,000 |
| 稅前收益 | 153,895,000 | 148,137,000 | 144,462,000 | 143,734,000 |
| 所得稅費用 | 35,944,000 | 33,723,000 | 35,623,000 | 35,079,000 |
| 少數股東權益 | 3,404,000 | 3,245,000 | 3,117,000 | 3,032,000 |
| 連續營業淨收益 | 117,951,000 | 114,414,000 | 108,839,000 | 108,655,000 |
| 非經常性活動 |
| 終止營業 | - | - | - | - |
| 特殊帳項 | - | - | - | - |
| 會計變化影響 | - | - | - | - |
| 其他項目 | - | - | - | - |
| 淨收入 |
| 淨收益 | 117,781,000 | 114,279,000 | 108,741,000 | 108,539,000 |
| 優先股和其他調整項目 | - | - | - | - |
| 適用於普通股之淨收益 | 117,781,000 | 114,279,000 | 108,741,000 | 108,539,000 |