http://www.bloomberg.com/apps/news?p...I&refer=europe

Switzerland jumped from fourth place last year and Finland, Sweden, Denmark and Singapore all overtook the U.S. with Japan, Germany, the Netherlands and the U.K. rounding out the top ten in the study of 125 nations by the Geneva-based forum.
1. swiss
2. Finland
3. Sweden
4. Denmark

Now what does 2, 3 and 4 have in comon