| The OpenGL Reference Manual - The Bluebook Recent countries visiting this post |  |
 | 119 | United States |
 | 43 | |
 | 31 | India |
 | 11 | United Kingdom |
 | 6 | Spain |
 | 5 | Germany |
 | 3 | New Zealand |
 | 3 | Malaysia |
 | 2 | Bahrain |
 | 2 | Austria |
 | 2 | Taiwan |
 | 1 | Belarus |
 | 1 | Vietnam |
 | 1 | Macedonia |
 | 1 | Switzerland |
 | 1 | Israel |
 | 1 | Korea, Republic of |
 | 1 | China |
 | 1 | France |
 | 1 | Turkey |
 | 1 | Trinidad and Tobago |
 | 1 | Europe |
 | 1 | Morocco |
 | 1 | Poland |
 | 1 | Argentina |
 | 1 | Pakistan |
 | 1 | Russian Federation |
 | 1 | Brazil |
 | 1 | Thailand |
 | 1 | Serbia |