Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2021

The earnings and weighted average number of ordinary shares outstanding in the computation of earnings per share were as follows:


Net profit for the year

	For the Year Ended December 31
	2019			2020			2021
	NT$			NT$			NT$			US$ (Note 4)

Profit for the year attributable to owners of the Company	$	17,060,591		$	26,970,580		$	60,150,167		$	2,168,353
Effect of potentially dilutive ordinary shares:
Potential ordinary s hares of the subsid iary		(385,865	)		(521,073	)		(1,056,778	)		(38,096	)


Earnings used in the computation of diluted earnings per share	$	16,674,726		$	26,449,507		$	59,093,389		$	2,130,257

Weighted average number of ordinary shares outstanding

(in thousand shares):


	For the Year Ended December 31
	2019		2020		2021

Weighted average number of ordinary shares in the computation of basic earnings per share		4,251,964		4,265,732		4,305,348
Effect of potentially dilutive ordinary shares
Employee share options		10,232		22,086		58,113
Employees’ compensation		570		815		1,264
Employee restricted stock awards		—		—		943


Weighted average number of ordinary shares in the computation of diluted earnings per share		4,262,766		4,288,633		4,365,668