| Años | País | % Correcto |
|---|---|---|
| 1949– | China | 94%
|
| 1922–1991 | Unión Soviética | 91%
|
| 1948–2009 | Corea del Norte | 87%
|
| 1959– | Cuba | 87%
|
| 1976– | Vietnam | 76%
|
| 1945–1976 | Vietnam del Norte | 76%
|
| 1945–1991 | Yugoslavia | 71%
|
| 1944–1989 | Polonia | 65%
|
| 1947–1989 | Rumania | 61%
|
| 1975– | Laos | 58%
|
| 1979–1989 | Camboya | 56%
|
| 1946–1990 | Bulgaria | 55%
|
| 1949–1989 | Hungría | 55%
|
| 1948–1990 | Checoslovaquia | 52%
|
| 1924–1990 | Mongolia | 52%
|
| 1949–1990 | Alemania Oriental | 49%
|
| 1946–1992 | Albania | 44%
|
| 1978–1992 | Afganistán | 42%
|
| 1975–1992 | Angola | 35%
|
| 1970–1991 | República del Congo | 34%
|
| 1987–1991 | Etiopía | 26%
|
| 1975–1990 | Mozambique | 26%
|
| 1969–1991 | Somalia | 25%
|
| 1967–1990 | Yemen del Sur | 20%
|
| 1975–1990 | Benín | 11%
|
| 1979–1983 | Granada | 11%
|