| Kuwait |
5.93 |
| Albania |
5.74 |
| Iran |
5.59 |
| Bolivia |
5.35 |
| Indonesia |
5.32 |
| Egypt |
5.25 |
| Brazil |
5.17 |
| Guatemala |
5.17 |
| Ecuador |
5.13 |
| Israel |
5.13 |
| Greece |
5.12 |
| Costa Rica |
5.08 |
| Russia |
5.06 |
| Thailand |
4.95 |
| Turkey |
4.91 |
| Zambia |
4.83 |
| Taiwan |
4.83 |
| Georgia |
4.65 |
| Mexico |
4.64 |
| Nigeria |
4.61 |
| Hungary |
4.59 |
| Argentina |
4.59 |
| El Salvador |
4.56 |
| Poland |
4.54 |
| Colombia |
4.51 |
| Italy |
4.47 |
| China |
4.47 |
| Germany (EAST) |
4.45 |
| South Korea |
4.43 |
| Zimbabwe |
4.34 |
| Slovenia |
4.33 |
| Portugal |
4.33 |
| Venezuela |
4.32 |
| Hong Kong |
4.31 |
| Qatar |
4.24 |
| Spain |
4.23 |
| India |
4.18 |
| Denmark |
4.07 |
| Japan |
4.00 |
| South Africa (Black
Sample) |
3.97 |
| Netherlands |
3.93 |
| Philippines |
3.91 |
| Namibia |
3.91 |
| Austria |
3.86 |
| Australia |
3.82 |
| Switzerland |
3.81 |
| Singapore |
3.78 |
| South Africa (White
Sample) |
3.78 |
| Morocco |
3.74 |
| Germany (WEST) |
3.72 |
| England |
3.70 |
| Malaysia |
3.64 |
| Ireland |
3.63 |
| USA |
3.60 |
| French Switzerland |
3.58 |
| New Zealand |
3.56 |
| Canada (English-speaking) |
3.55 |
| Kazakhstan |
3.55 |
| France |
3.35 |
| Sweden |
3.30 |
| Finland |
3.15 |
| Czech Republic |
2.37 |
|
|
