Rank 1-10
1.United States
2.Denmark
3.Finland
4.Norway
5.Singapore
6.Australia
7.Sweden
8.Hong Kong
9.Switzerland
10.Netherlands
Rank 11-20
11.Israel
12.United Kingdom
13.Germany
14.Canada
15.New Zealand
16.Ireland
17.Austria
18.Belgium
19.France
20.Taiwan
Rank 21-30
21.Spain
22.South Korea
23.Greece
24.Italy
25.Czech Republic
26.Portugal
27.Japan
28.Argentina
29.Poland
30.Hungary
Rank 31-40
31.Chile
32.Slovakia
33.China
34.Russia
35.India
36.Malaysia
37.Romania
38.Mexico
39.Venezuela
40.Colombia