| Year Opened | Countries | % Correct |
|---|---|---|
| 1974 | United Kingdom | 100%
|
| 1940 | United States of America | 100%
|
| 1967 | Canada | 96%
|
| 1981 | Spain | 95%
|
| 1972 | France | 91%
|
| 1985 | Mexico | 91%
|
| 1971 | Australia | 89%
|
| 1983 | Norway | 89%
|
| 1973 | Sweden | 89%
|
| 1971 | Germany | 88%
|
| 1990 | Russia | 88%
|
| 1990 | China | 86%
|
| 1984 | Finland | 86%
|
| 1985 | Italy | 86%
|
| 1991 | Portugal | 86%
|
| 1971 | Japan | 84%
|
| 1995 | South Africa | 84%
|
| 1986 | Argentina | 82%
|
| 1978 | Belgium | 82%
|
| 1979 | Brazil | 82%
|
| 1977 | Ireland | 82%
|
| 1976 | New Zealand | 82%
|
| 1992 | Poland | 82%
|
| 1996 | Belarus | 81%
|
| 1981 | Denmark | 81%
|
| 1991 | Greece | 81%
|
| 1996 | India | 81%
|
| 1988 | South Korea | 81%
|
| 1977 | Austria | 79%
|
| 1991 | Chile | 79%
|
| 1985 | Luxembourg | 79%
|
| 1971 | Netherlands | 79%
|
| 1976 | Switzerland | 79%
|
| 1994 | United Arab Emirates | 79%
|
| 1996 | Croatia | 77%
|
| 1994 | Egypt | 77%
|
| 1990 | Hungary | 77%
|
| 1991 | Indonesia | 77%
|
| 1971 | Panama | 77%
|
| 1997 | Bolivia | 75%
|
| 1993 | Israel | 75%
|
| 1994 | Latvia | 75%
|
| 1993 | Slovenia | 75%
|
| 1997 | Ukraine | 75%
|
| 1994 | Bulgaria | 74%
|
| 1995 | Colombia | 74%
|
| 1995 | Estonia | 74%
|
| 1996 | Lithuania | 74%
|
| 1996 | Peru | 74%
|
| 1995 | Slovakia | 74%
|
| 1986 | Turkey | 74%
|
| 1992 | Czech Republic | 72%
|
| 1995 | Romania | 72%
|
| 1988 | Serbia | 72%
|
| 1986 | Cuba | 70%
|
| 2006 | Iraq | 70%
|
| 1992 | Morocco | 70%
|
| 1994 | Oman | 70%
|
| 1995 | Qatar | 70%
|
| 1993 | Saudi Arabia | 70%
|
| 1985 | Thailand | 70%
|
| 2014 | Vietnam | 70%
|
| 1970 | Costa Rica | 68%
|
| 1974 | Guatemala | 68%
|
| 1996 | Jordan | 68%
|
| 1998 | Pakistan | 68%
|
| 1997 | Ecuador | 67%
|
| 1995 | Honduras | 67%
|
| 1982 | Malaysia | 67%
|
| 1998 | Nicaragua | 67%
|
| 1999 | San Marino | 67%
|
| 2011 | Bosnia and Herzegovina | 65%
|
| 1972 | El Salvador | 65%
|
| 1979 | Singapore | 65%
|
| 1985 | Venezuela | 65%
|
| 1995 | Malta | 63%
|
| 1996 | Paraguay | 63%
|
| 1984 | Taiwan | 63%
|
| 1997 | Cyprus | 61%
|
| 1996 | Fiji | 61%
|
| 1992 | Monaco | 61%
|
| 1984 | Andorra | 60%
|
| 1996 | Dominican Republic | 60%
|
| 1994 | Kuwait | 60%
|
| 1998 | Moldova | 60%
|
| 1991 | Uruguay | 60%
|
| 1975 | Bahamas | 58%
|
| 1981 | Philippines | 58%
|
| 1994 | Bahrain | 56%
|
| 1998 | Lebanon | 56%
|
| 1997 | Suriname | 54%
|
| 2016 | Vatican City | 54%
|
| 1998 | Sri Lanka | 53%
|
| 1997 | Trinidad and Tobago | 53%
|
| 1999 | Georgia | 49%
|
| 1999 | Azerbaijan | 47%
|
| 2016 | Kazakhstan | 47%
|
| 1996 | Liechtenstein | 44%
|
| 1992 | Brunei | 42%
|
| 1996 | Samoa | 32%
|
| 2001 | Mauritius | 28%
|