Try this site:
---- Imperial Home Page -> Imperials by Year-> 1968 -> Production Numbers ---- ModelSeries NumberBody Style andSeatingFactory Base PriceWeight (in lbs)ProductionCrownDY1-MFour Door Sedan -- 6 passenger$5,6534,770 1,887 CrownDY1-MFour Door Hardtop -- 6 passenger$6,1144,775 8,492 CrownDY1-MTwo Door Hardtop -- 6 passenger$5,7214,740 2,656 CrownDY1-MTwo Door Convertible -- 6 passenger$6,5224,845 474 LeBaronDY1-HFour Door Hardtop -- 6 passenger$6,9394,840 1,852 LeBaron (by Stageway) N/AFour Door Limousine -- 8 passenger$12,000 to $15,000N/A 6 Year Production Total 15,367http://www.imperialclub.com/Yr/1968/production.htm
12825
2,165 convertibles were built in 1971
According to Chrysler Historical Collection archives, the production numbers for the 1968 Dodge Coronet 500 was 2,527; the Coronet R/T was 569; and no convertibles were ever available for the Coronet Super Bee model.
2,921 convertibles
2,921 convertibles
20,440
928
20,440
20,440
1,624 GT convertibles. 928 with bucket seats.
5100
6348