The following table presents information about stock options outstanding and exercisable at December 31, 2021:


	Outstanding Stock Options				Exercisable Stock Options
Range of Exercise Prices	Shares	Weighted Average Remaining Contractual Term (Years)	Weighted Average Exercise Price		Shares	Weighted Average Exercise Price
$ 37.13 to $ 69.85	218,817	2.29	$	59.66	218,817	$	59.66
$ 69.86 to $ 138.03	257,995	5.05	108.93		156,309	97.51
$ 138.04 to $ 515.41	174,805	8.05	226.70		1,654	217.71
	651,617	4.93	$	123.98	376,780	$	76.06

Tabular disclosure of the aggregate number of the shares purchased by the employees under the ESPP.

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A tabular disclosure of shares vested over the past three years and the fair value of restricted stock awards plus share based compensation expense for the past three years

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Tabular disclosure of cash received from exercise of stock options and similar instruments granted under share-based payment arrangements and tax benefit from exercise of stock options.

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Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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Tabular disclosure of number, weighted-average exercise price or conversion ratio, aggregate intrinsic value, and weighted-average remaining contractual term for outstanding and exercisable options that are fully vested and expected to vest. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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