| Ecuador |
6.63 |
| Philippines |
6.51 |
| New Zealand |
6.50 |
| Canada (English-speaking) |
6.47 |
| Zimbabwe |
6.46 |
| Finland |
6.42 |
| Australia |
6.40 |
| Israel |
6.40 |
| England |
6.39 |
| Netherlands |
6.38 |
| USA |
6.35 |
| Brazil |
6.35 |
| Spain |
6.34 |
| Austria |
6.34 |
| Colombia |
6.34 |
| Ireland |
6.33 |
| South Africa (White
Sample) |
6.33 |
| Argentina |
6.32 |
| French Switzerland |
6.31 |
| Sweden |
6.31 |
| Indonesia |
6.29 |
| Bolivia |
6.28 |
| Portugal |
6.27 |
| Namibia |
6.26 |
| Denmark |
6.26 |
| El Salvador |
6.25 |
| Switzerland |
6.25 |
| Greece |
6.25 |
| Zambia |
6.25 |
| Guatemala |
6.25 |
| Kuwait |
6.16 |
| Germany (WEST) |
6.15 |
| Italy |
6.14 |
| Germany (EAST) |
6.10 |
| Malaysia |
6.10 |
| Costa Rica |
6.10 |
| Singapore |
6.09 |
| Turkey |
6.08 |
| Czech Republic |
6.03 |
| Iran |
6.02 |
| Nigeria |
5.98 |
| Hungary |
5.93 |
| India |
5.93 |
| Russia |
5.93 |
| China |
5.92 |
| Mexico |
5.91 |
| Poland |
5.87 |
| Hong Kong |
5.85 |
| Albania |
5.84 |
| Venezuela |
5.81 |
| Thailand |
5.77 |
| South Korea |
5.74 |
| Slovenia |
5.74 |
| Japan |
5.74 |
| Taiwan |
5.74 |
| South Africa (Black
Sample) |
5.56 |
| Egypt |
5.50 |
| Georgia |
5.48 |
| Kazakhstan |
5.46 |
| France |
5.22 |
| Morocco |
5.09 |
| Qatar |
5.04 |
|
|
