hi...people have told me the 1994 tk3 sapphire blue slick top twin turbo 2+0 jap import we own is rare i have been trying to find the official world wide build number of this model....all i can find is usa market about 2000 odd tk3 for usa and 5% were slick top does anyone know how i cand find the official number that rolled out of nissan in japan for the Japanese market and the other countries