JUST CAN'T FIGURE OUT HOW THE 214 NUMBER CAME UP FOR X-11, WE KNOW TOTAL PRODUCTION, BUT DO WE KNOW HOW MANY X-11,X-33,X-44, ETC. CARS WERE PRODUCED? THESE COLOR CODE AVERAGES WERE BASED ON TOTAL PRODUCTION. THERE COULD BE 5 TIMES AS MANY S.S. CARS PRODUCED IN CODE 61 THEN Z-28'S FOR EXAMPLE!