| Country | Count | Mean |
|---|---|---|
| United States | 209 | 8.92 |
| Australia | 84 | 7.87 |
| United Kingdom | 51 | 9.20 |
| Canada | 26 | 8.52 |
| Germany | 8 | 8.78 |
| Brazil | 4 | 9.25 |
| France | 4 | 7.98 |
| Netherlands | 4 | 9.28 |
| Italy | 4 | 8.23 |
| Sweden | 3 | 6.67 |
| Finland | 3 | 8.90 |
| Ireland | 3 | 8.40 |
| Belgium | 2 | 9.50 |
| Hungary | 1 | 10.00 |
| Philippines | 1 | 8.00 |
| Denmark | 1 | 8.00 |
| Croatia | 1 | 8.50 |
| Thailand | 1 | 7.50 |
| Argentina | 1 | 9.00 |
| Mexico | 1 | 9.00 |
| Japan | 1 | 10.00 |
| Greece | 1 | 9.00 |
| Austria | 1 | 10.00 |
| Lebanon | 1 | 9.00 |
| Norway | 1 | 8.60 |