Rank | Countries (%) | ||||
1978–1987 | 1988–1997 | 1998–2007 | 2008–2017 | 1978–2017 | |
1 | USA (51.15) | USA (63.33) | USA (64.31) | USA (55.64) | USA (56.63) |
2 | France (11.88) | Israel (3.64) | UK (5.52) | UK (7.4) | UK (2.94) |
3 | UK (2.31) | France (3.58) | Israel (3.57) | China (5.24) | China (2.8) |
4 | West Germany (1.32) | UK (3.4) | Germany (3.4) | Canada (3.33) | Canada (2.66) |
5 | Israel (0.99) | Germany (2.47) | Turkey (2.63) | Germany (2.88) | Israel (2.58) |
6 | Switzerland (0.99) | Canada (1.64) | Australia (2.15) | Australia (2.84) | France (2.51) |
7 | Canada (0.66) | Australia (1.35) | Canada (2.06) | India (2.71) | Germany (2.4) |
8 | Sweden (0.66) | Croatia (0.88) | France (1.91) | France (2.67) | Australia (2.28) |
9 | USSR (0.66) | Sweden (0.88) | China (1.42) | Israel (2.19) | Sweden (1.3) |
10 | Argentina (0.33) | Norway (0.82) | Sweden (1.18) | Turkey (2.08) | Turkey (1.22) |
11 | Finland (0.33) | Finland (0.7) | Finland (1) | South Korea (1.41) | India (1.2) |
12 | Netherlands (0.33) | Italy (0.7) | Italy (0.9) | Italy (1.3) | Italy (1.09) |
13 | South Africa (0.33) | Saudi Arabia (0.7) | Netherlands (0.8) | Netherlands (1.21) | Netherlands (1.06) |
14 | Yugoslavia (0.33) | Switzerland (0.65) | Denmark (0.7) | Sweden (1.2) | South Korea (1.03) |
15 | Ivory Coast (0.33) | Denmark (0.59) | South Korea (0.63) | Poland (1.1) | Finland (0.96) |
16 | Japan (0.47) | Switzerland (0.59) | Pakistan (1) | Brazil (0.85) | |
17 | Netherlands (0.47) | Norway (0.57) | Brazil (0.96) | Japan (0.69) | |
18 | Russia (0.47) | Poland (0.55) | Serbia (0.92) | Norway (0.67) | |
19 | Egypt (0.411) | Japan (0.5) | Finland (0.86) | Russia (0.65) | |
20 | South Africa (0.411) | Austria (0.48) | Spain (0.76) | Switzerland (0.63) |