Last time I checked with the historical department at Karmann they gave me this information.
7145 completed veichles, 937 bodyshells, 8082 in total.
Completed cars
1992 - 3,448
1993 - 1,143
1994 - 1,180
1995 - 1,306
1996 - 68
Bodyshells
1992 - 124
1993 - 225
1994 - 369
1995 - 110
1996 - 109