Happiness survey result

How do you think about the happiness?
The survey shows that Vietnamese is happier than peoples come from advanced contries. I just wonder how many persons answerred and the distribution of answers.

1.Question-Type: 111C(max 4 points)-aking all things together, would you say you are?
Vietnam: 3.41 points
USA:3.32 points
France:3.21 points

2.Quesion-Type:111D(max: 5 points)-How happy do you feel as you live now?
Vietnam: 3.99 points
Japan:3.68 points
Korea, Republic of (South):3.53points

3.Question-Type: 122D(max:10 points)-All things considered, how satisfied are you with your life as-a-whole now?
Vietnam:6.52 points
USA:7.66 points
France: 6.93 points
Japan: 6.48 points
Korea, Republic of (South): 6.21 points

4.Question-Type: 131C(max:10 points)-Suppose the top of the ladder represents the best possible life for you and the bottom of the ladder the worst possible life. Where on this ladder do you feel you personally stand at the present time?
Vietnam: 6.48 points
USA:6.74 points
France:6.49 points
Japan: 5.88 points
Korea, Republic of (South):6.44 points

Original info: URL:http://www1.eur.nl/fsw/happiness/hap_nat/desc_na.php?cntry=203