Percentage of employees represented by independent trade union organizations or covered by collective bargaining agreements: ILO Convention 87, “Freedom of Association and Protection of the Right to Organize”, 1948; ILO Convention 98, “Right to Organize and Collective Bargaining”, 1949; ILO Convention 135, “Workers' Representatives Convention”, 1971; ILO Convention 154, “Collective Bargaining Convention”, 1981; and Recommendations 91, “Collective Agreements Recommendation' 1951, and 163, “Collective Bargaining Recommendation”, 1981; ILO Declaration on Fundamental Principles and Rights at Work, 86th Session, 1998, Article 2 (a); OECD Guidelines for Multinational Enterprises, Section IV, Paragraph 2 (a).