Property	Description
		Returns	the Year part of the date. (Valid Range -9999 to 9999)
		Description	Gets the Year part of the date. (Valid Range -9999 to 9999)
		Remarks	NOTE: CDateTime uses the XML Schema formula for proleptic Gregorian calendar where year 0 is illegal and -4 (4BC) as a leap year. Throws: LtInvalidStateException thrown if the type is not gDate, gDateTime, gYear or gYearMonth