Table 1. Countries.
| Country | Frequency | Percentage |
|---|---|---|
| Germany | 205 | 16.4 |
| United States | 184 | 14.7 |
| Italy | 117 | 9.4 |
| United Kingdom | 88 | 7.1 |
| France | 68 | 5.4 |
| Australia | 45 | 3.6 |
| Spain | 43 | 3.4 |
| China | 39 | 3.1 |
| Netherlands | 34 | 2.7 |
| Canada | 32 | 2.6 |
| Norway | 29 | 2.3 |
| Switzerland | 29 | 2.3 |
| Belgium | 28 | 2.2 |
| Japan | 26 | 2.1 |
| Greece | 23 | 1.8 |
| India | 23 | 1.8 |
| Sweden | 23 | 1.8 |
| Austria | 18 | 1.4 |
| Finland | 15 | 1.2 |
| Russia | 14 | 1.1 |
| Brazil | 11 | 0.9 |
| Portugal | 10 | 0.8 |
| Other (less than 10 resp.) | 144 | 11.5 |
Table shows frequencies and valid percentages for each country (n = 1248).