E/CN.4/1995/78 page 19 87. The statistics on convictions under the Prohibition Act confirm the effectiveness of the 1992 amendment: 1988 1 conviction 1989 6 convictions 1990 1 conviction 1991 0 convictions 1992 5 convictions 1993 17 convictions 1994 (until 31 March) 4 convictions 88. The present legal position is unsatisfactory as far as right-wing radical printed matter and other materials are concerned. Under the Prohibition Act, only their dissemination with intent to revive Nazism, not their mere possession, is illegal. As a result, it appears also to be difficult to restrict imports of extreme rightist printed publications from abroad. Another problem is the growing use of modern electronic media in international communications between right-wing radical groups (computer disks, databanks etc.). Present legislation does not give the authorities enough powers to intervene. 89. As regards the information activities of the public security services in schools and other educational institutions, their results vary in different regions. The incidence of youth gangs also shows a regionally varying trend. How far the principle that political education should be an important concern in the teaching of all subjects in schools is followed in practical classroom work is hard to assess because, unlike traditional "subjects", the success of these efforts cannot be gauged by average examination results or the quality of essays submitted at final (matriculation) exams. D. Colombia 90. In its communication of 30 September 1994, the Government of Colombia states that Colombian society is composed of a large variety of ethnic groups and cultures. The Constitution of Colombia, adopted in 1991 by a democratically elected Constituent National Assembly, takes note of this fact and provides the country with the necessary tools to protect ethnic, cultural, religious and linguistic diversity and to eliminate any form of discrimination (art. 7). 91. Article 13 of the Constitution stipulates that all persons are equal before the law and enjoy equal treatment and protection on the part of the authorities. This provision prohibits any form of discrimination based on sex, race, national or family origin, language, religion or political or philosophical opinion. Furthermore, it specifies that the State "shall create conditions to make equality genuine and effective and adopt measures in favour of categories of persons who are discriminated against or marginalized". 92. According to the Constitution, the struggle against all forms of discrimination must focus, in particular, on the following elements: (a) Efforts to achieve greater recognition and integration of the socio-cultural features specific to the various ethnic minority groups;