| Value | Category | Cases | |
|---|---|---|---|
| 321991 | Argentina (1991) | 1002 |
4.1%
|
| 761991 | Brazil (1991) | 1782 |
7.3%
|
| 1121990 | Belarus (1990) | 1015 |
4.1%
|
| 1521990 | Chile (1990) | 1500 |
6.1%
|
| 1561990 | China (1990) | 1000 |
4.1%
|
| 2031991 | Czech Republic (1991) | 924 |
3.8%
|
| 3561990 | India (1990) | 2500 |
10.2%
|
| 3921990 | Japan (1990) | 1011 |
4.1%
|
| 4101990 | South Korea (1990) | 1251 |
5.1%
|
| 4841990 | Mexico (1990) | 1531 |
6.2%
|
| 5661990 | Nigeria (1990) | 1001 |
4.1%
|
| 6161989 | Poland (1989) | 938 |
3.8%
|
| 6431990 | Russian Federation (1990) | 1961 |
8%
|
| 7031990 | Slovakia (1990) | 466 |
1.9%
|
| 7101990 | South Africa (1990) | 2736 |
11.1%
|
| 7241990 | Spain (1990) | 1510 |
6.1%
|
| 7561989 | Switzerland (1989) | 1400 |
5.7%
|
| 7921990 | Turkey (1990) | 1030 |
4.2%
|
| -5 | Missing; Unknown | 0 | |
| -4 | Not asked in survey | 0 | |
| -3 | Not applicable | 0 | |
| -2 | No answer | 0 | |
| -1 | Don't know | 0 |