| Country | Count | Mean |
|---|---|---|
| United States | 208 | 8.00 |
| Australia | 70 | 7.10 |
| United Kingdom | 59 | 8.51 |
| Canada | 30 | 8.34 |
| Germany | 7 | 7.94 |
| Netherlands | 5 | 8.70 |
| Italy | 4 | 6.65 |
| Brazil | 4 | 7.38 |
| France | 4 | 6.45 |
| Ireland | 3 | 7.13 |
| Finland | 3 | 7.37 |
| Sweden | 3 | 7.00 |
| Belgium | 2 | 7.00 |
| Croatia | 1 | 6.00 |
| Denmark | 1 | 6.00 |
| Philippines | 1 | 8.00 |
| Mexico | 1 | 9.00 |
| Hungary | 1 | 10.00 |
| Austria | 1 | 10.00 |
| Lebanon | 1 | 9.00 |
| Japan | 1 | 9.00 |
| Norway | 1 | 8.50 |