Nations in 2008 Summer Olympics

1) Medal countries (no. of medals per million citizens):

2) Three biggest countries without any medal:

3) The most efficient countries (total medals per number of participants, min. number of medals=3):

4) The least efficient countries (total medals per number of participants):

5) The Gold countries (gold medals per total medals, min. number of medals=2):

6) The most sporting countries (number of participants per million citizens, min. number of participants=4):

7) The least sporting countries (number of participants per million citizens):