While searching for another topic, came across those two pages, interesting infos.
1970:
-70./. of all Porsche exported
-USA: 40./. Percent, Germany 29./., RoW 31./.
75./. Porsche 911T
17./. Porsche 911E
8./. Porsche 911S
Source: Christophorus yearbook 1970
Attachment 509642
Attachment 509643