| Year(s) | Country / Territory | % Correct |
|---|---|---|
| 1991 | United States | 100%
|
| 2016 | United States | 100%
|
| 1951-1988, 1990, 1999, 2000, 2002, 2011, 2014 | United Kingdom | 96%
|
| 2003-2005, 2007, 2010, 2015, 2017, 2018 | China | 91%
|
| 2012 | China | 91%
|
| 1996 | India | 78%
|
| London | 71%
| |
| 1992-1995, 2001 | South Africa | 64%
|
| 2008, 2009 | South Africa | 64%
|
| Johannesburg | 47%
| |
| 2013 | Indonesia | 44%
|
| 1989 | Hong Kong | 42%
|
| Hong Kong | 42%
| |
| 2006 | Poland | 29%
|
| Bangalore | 24%
| |
| Washington, D.C. | 24%
| |
| Atlanta | 20%
| |
| 1997, 1998 | Seychelles | 20%
|
| Warsaw | 18%
| |
| Sanya | 16%
| |
| Sun City | 13%
| |
| Mahé | 11%
| |
| Ordos City | 11%
| |
| Nusa Dua | 7%
|