Australia
30%
Canada
21%
Germany
19%
United States
15%
Spain
15%
United Kingdom
14%
France
13%
Italy
11%
Chile
9%
Turkey
7%
Colombia
4%
South Korea
3%
Poland
2%
Japan
2%
Mexico
1%
Note: Chart includes the fifteen most populous countries in the Organization for Economic Cooperation and Development (OECD).