Twice.The 1964 Winter Olympics and the 1976 Winter Olympics were both held in Innsbruck.
None - the winter Olympics were never held in Athens. The summer Olympics have been held there several times, though.
The Winter Olympics have never been held in Africa.
The Winter Olympics were not held in 1982.
There was no Winter Olympics held in 1918.
4 times for each Summer and Winter Olympics.
There were no Olympics in 1966. The 1964 Winter Olympics were held in Innsbruck, Austria and the 1968 Winter Olympics were held in Grenoble, France.
the 2014 winter Olympics will be held in russia
the winter Olympics will be held at Vancouver, Canada on 2015