Adams et al. (2011) [1] | Gearhart (2016) [8] | González et al. (2010) [9] | Kim & Kang (2014) [13] | Grosskopf et al. (2006) [11]a | Grosskopf et al. (2006) [11]b | Grosskopf et al. (2006) [11]c | ||
---|---|---|---|---|---|---|---|---|
Australia | 15 | 22 | 13 | 18 | 23 | 12 | 19 | 22 |
Belgium | 14 | 15 | 22 | 14 | 25 | 18 | 14 | 16 |
Canada | 20 | 23 | 14 | 16 | 20 | 19 | 15 | 18 |
Denmark | 19 | 24 | 25 | 19 | 14 | 20 | 23 | 21 |
Estonia | 6 | 1 | 1 | 24 | 1 | 1 | 2 | 2 |
Finland | 3 | 8 | 15 | 1 | 24 | 4 | 18 | 9 |
France | 21 | 16 | 16 | 12 | 22 | 22 | 20 | 23 |
Germany | 22 | 17 | 17 | 17 | 19 | 23 | 22 | 24 |
Greece | 16 | 4 | 4 | 3 | 12 | 17 | 8 | 11 |
Iceland | 10 | 11 | 10 | 7 | 6 | 7 | 24 | 17 |
Ireland | 5 | 20 | 21 | 23 | 10 | 2 | 4 | 4 |
Israel | 11 | 10 | 9 | 6 | 15 | 10 | 6 | 8 |
Italy | 12 | 9 | 8 | 4 | 21 | 15 | 10 | 13 |
Japan | 1 | 7 | 3 | 11 | 8 | 8 | 16 | 12 |
Luxembourg | 8 | 21 | 6 | 9 | 5 | 3 | 3 | 3 |
Netherlands | 17 | 18 | 23 | 10 | 3 | 13 | 13 | 15 |
New Zealand | 13 | 12 | 18 | 22 | 11 | 16 | 5 | 6 |
Poland | 2 | 2 | 2 | 8 | 2 | 5 | 1 | 1 |
Portugal | 23 | 3 | 12 | 5 | 4 | 24 | 25 | 25 |
Slovenia | 18 | 6 | 7 | 20 | 7 | 21 | 9 | 7 |
Spain | 4 | 5 | 5 | 13 | 16 | 11 | 17 | 20 |
Sweden | 7 | 13 | 19 | 2 | 17 | 6 | 12 | 5 |
Switzerland | 24 | 19 | 11 | 15 | 9 | 14 | 21 | 19 |
UK | 9 | 14 | 20 | 21 | 13 | 9 | 7 | 10 |
US | 25 | 25 | 24 | 25 | 18 | 25 | 11 | 14 |