Which countries are strong in the Winter Olympics?

Looking at the last four Winter Olympics since 2 1 century, it is generally the developed countries in Western Europe, Northern Europe and North America that can rank among the top medals in the Winter Olympics. Among them, in the last four Winter Olympics, the United States and Canada have entered the top five in the medal list, and Germany and Norway have entered the top five in three of them. Other countries with strong winter sports strength include Russia, Sweden, Switzerland, South Korea, Austria, the Netherlands, the Czech Republic and Japan.